uenerui view ui pUIJIIU eeurn mimeS Patent Office section pictured US utility patents arranged class sub-class easy access Until article proposed us hadnt realized useful PTO could modeling purposes THE PATENT OFFICE formally known US Patent Trademark Office now called PTO remarkable repository materials potential interest modelers Yet some reason remains part mysterious place rarely explored known primarily because its dealings inventors inventions What seems totally underestimated public large modelers partic ular fact its files contain vast collection material potentially useful designers models tinkerers would-be inventors inventors First PTO repository US patents vast majority foreign patents ever issued alone allows unique look history aviation after seems almost anyone came out new idea probably attempted patent Second PTO has well-known fact sizable library containing old new books magazines including avia tion model airplane magazines may great help historians researchers aviation-related matters Finally marvelous information freely available public fact PTO encourages research its collec tion stating its booklets patents. ain vast wealth FOB RESUIIRCU PATENT OFFICE FILES US Patent Office little known exciting gold kinds information about flying machinesfull-size models article will serve guide PTOs resources inventors also modelers other connoisseurs aeronautics EJan P Koniarek 60 Model Aviation typical examiners search room drawers called shoes hold US foreign patents well non-patent literatureall ar ranged class sub-class public usually restricted search rooms permission can obtained access technical information suggestions organized manner will enable review closely related field interest. order make use information contained PTO files best know little about patent system its role commerce primary role PTO issue patents inventors inventions patents issued new useful non-obvious machines processes compositions matter processes involving new uses foregoing improvements above also patents issued asexually-reproduced plants unless designing flying rhododen dron little use us part two types patents interest modelers utility patents design patents Utility patents see examples granted inventions concerning some particular feature device entirely new devices previ April 1985 61 N INSN flUe Artl 34 1t 6 3437 376 fig. 47N 3a 316 16 pIN 51 I-INVUNT6 7 516 1341. p maasvmuE N thSPUSS 3316 6 U IN / N US PMt D 3MM R.N 2IMU6US Patefli F 963S1S 344371133 7 37 IJtv1rrN F41 TL J21 Ag2 111641 Two examples utility patents Notice reference numerals pointing different parts figure referenced features described patents specifications patent far ieft fora fiying wing various engine arrange ments near Edgely Optica observation aircraft Only small portion patent shown illustratIons ously unknown inventions may cover peculiar shape wing arrangement landing gear fuel tank model airplane much sample listing see Tables II first looks utility patents may seem trifle difficult under stand due fact primarily legal documents technical disclosures second Fortunately us important requirements patent granted fact invention must described such manner understood ordinary skill artmeaning Kg EATON 16 ures inven --U 16Ution described fully its operation must clear description very detailed __________________________utility patent design patent shape object illustrated description itself generally limited Ia1 INVENIflI YWiz.5 P ~34WilI 23 1463 4369938 i qIIjIN32~MULI N26W1 11THiimNcx\uH 4 L.2 FIG2 1 FIGI 0-5 FIG4 MIVAUtSU w3 a & FIG 3 34 54I 52r FIG5 Two examples design patents note Des Design preceding patent number Design patents have reference numerals usually show three-views may useful model ing patent far left guli winged glider near fora seaplane Curtiss-Wright Corporation Design patents have substantial descrip tion beyond what shown face statement invention resides shape object substantially shown difference between two types patents further emphasized fact drawings utility patents have reference numerals pointing different parts invention see example design patents rarely have numbers As far usefulness patents concerned research tool modelers 3579906the design patents will probably useful seeking new different model airplane shapes designs quite often show three-views good plans can drawn Utility patents less useful often show view entire airplane remainder illustrations focus particular feature towards invention directed may landing gear canopy arrangement engines anything else some detail construction object search utility patents will useful very rare patent will show fuselage crosssections unless invention itself Jiwa t Raaepg 6ID Ma6cav H Two examples utiiity patents dealing model airpianes far left describes fuel tank model airplane invented Robert W Kress ducted-fan fame other describes CL modei powered electric motor current carried ilnes 62 Model Aviation 7 PAIOETEDI 8853610877 miimmaut3m743 mt t vi Patents airplanes range conven tional exotic novei unuauai soiutlonstofiightcan begisaned near right isa portion patent ma neuverIng atabiiizing airpiane via ong fiexibletwin tall Departing stiil further conventional far right por tion patent VTOL airplane de signed imitate filght failing maple seed aii patents proven concepts resides peculiarities directed toward cross-sections Patent Trademark Office situated Crystal City Arlington VA Coincidentally located next National Airport quite few offices have spectacular view air field PTO easily accessible both airport downtown Washington DC Metro fact too far AMA Headquarters Reston VA location could make interesting detour visiting National Air Space Museum Library Congress Table examp 451 rtit anes nes 1001 PlO divided generally two parts public search room accessible anyone examiners section patent examiners have offices files Al patents divided class es sub-classes according subject cover pertinent classes purposes Class 244 aeronautics Class 46 toys model airplanes accessories locat ed Class D12 aircraft design patents Other separate classes deal items such engines electronics such RC gear etc class further divided sub-classes dedicat ed group inventions concentrating some specific feature public search room has US patents arranged class sub class making fairly simple find ruzIs 4 is7 United States Patent [19] Sommer et aL 34] STUUCFURAL SKIN WNSTRUCTION MATERIAlS AND M~HOD 75] Inventors je H Sstr Delnsont Msch sp Anuitni Skokie Ill 73] Assignees Jinu Disek Kent City hitch Tap Flits Medal Chicago Ill 211 ApeS No 36575 221 FiledAr4IF7 RaIsed US AwlIesIlsa Data 63j Ceanassasseaof5e No 621413 Oct tO 975 [SIJbe a364C 3/21 52]US 0214/123 46/76R 156/IS 264/342 R 264/DIG 71 421/411 428/913 58]FliddRame8244/123 117 ft 133 244/119 156/84 85 86 428/913 411 212 421 483 264/DIG 71 342 R 46/76 561 weem CIted US PATENT DOCUMENTS 3156866 6/1965 Clseys428/212 -a [II]4095760 [45]J 20 1973 32288231/1966Usala et al423/421 33886516/1961Aselrod46/76 R 34432491/1970WoItaski428/421 33785215/1971Evans156/84 396S38/1975Riboulsi 428/212 FOREIGN PATENT DOCUMENTS 657427 2/1963 Canada156/It hnsay ExansmnerGalen L Barefoot Attorney Agent FirmPrice Heneveld Huizenga & Cooper [57]ARSTRACr structural cover skin components fluidmedium craft especially foil components craft wherein layer heat shrinkable polymertc film preferably polyvinyl fluoride bonded layer heat-shrinkable polymeric film and/or fabric preferably polyester form special laminated beat shrink covering material particularly useful man flown airplanes method covering frame por tions includes encapsulatissg envelope noted material overlapped wrapping heat shrunk tautly contours frame 8 al S Doming Flasean cover patent provides much valuable information addition illustration invention included names inventor owners assignees patent assignees patent Top Flits Models Inc examiner application references cited during prosecution application show similardesignsor solutions known beforethe application patentwas made particu lar patent structure method covering wing model full-size plane April 1985 63 ingspan LASS FUSE KIT ling Area.700 sq 00 leight 78 lbsBALSA FUSE KIT Engine 9012 4cyl 800 5850 S&It DANDY flies very well 90 4stroke docile enough first low wing model 12 4stroke turns high performance pattern plane 64 wingspan top Wing 58 bottom wing DArDY II qualifies giant flying events yet small enough fit car Both kits available fiberglass Balsa fuselage foam cores come dib servo opening precut Glass Fuse/Cowl & Bellypan ision cut Foam Core WIngs Obechi veneer wing sheeting DANDY kit Complete Hardware Package & Instructions Woods complete 1odel T6 Alum Gear Balna Tail Surfaces 64GLASS FUSE KIT 1320 sq817500 910lbsBALSA FUSE KIT 9012 4cyl813500 sdd 5 Sales Tax 110 Accepted personal checks HANDS OFF CUT II Foam Wing Cutter HANDS OFF CUT II capable cutting both aides wing panel same time r wings well straight wings Just imagine after two simple ad just wents IIAITUS OFF CUT II need turn Power Supply heat cutting wire watch cut HANDS OFF HANDS OFF CUT II Invaluable tool modelers wishing cut high quality foam wing dores Ideal commercial production aa well tiaximum wing panel 8 Maximum wing cord 4 tlaxinum taper 0% recommended Fit includes necessary hardware Assembly required Includee fully illustrated instructions Ray HANDSOFT CUT II 88750 8450 Nor Products " 24 VOLT VAHIABLE OUTPIJTPOWEIT SUPPLY 5008 Sand Beach Poad 84850 S&t1 hita Falls TX 76310 Texasrem add Salso Tax 817 6924475 0 I TIDEWATER ENGR & MACH CO fLJP 0 BOX 1135BASTROP LA 71220 MICROMOTORSPHONE 318- 281-2460US DISTRIBUTOR P-21 Car SE$6500P65 Marine$9000P60 Aero SE$8500 P-21 Car RE$6500P-80 Marine$11000P-60 Aero RE$9000 P-21 Buggy SE $6500P-90 Marine$14000P-80 Aero SE$9000 P21 Buggy RE $6500P-21 Aero SE$5000P-SO Aero RE$9500 P-21 Delta$7500P-21 Aero RE$5500P45 Duct Fan$7500 P-21 Marine SE $6500P-40 Pylon RE$6500P65 Duct Fan$9500 P-21 Marine RE $6500P-40 Aero SE$5800P-SO Duct Fan$10000 P-45 Mar-Disc RV $8500P-4 Aero SE$6000Picco Caps$300 1NITROMETHANE PACKING & HANDLING $400 PICCO GLOW PLUGS $3150 Gal Plus Fr Pay Shipping ChargeI$1500IKLOTZ KL200 COD $165 CASH ONLYDOZEN$1375 Gal Plus Fr COMPETITION BOAT KITS ANDPICCO ENGINE PARTS HARDWARE IN STOCKIFOR ALL CURRENT MODELS REPLACEMENT MODEL PARTS FOR MOTOR MUGTMKraft Engines high quality totally glazedTeetori McCoy ceramic engine mug must modeler Standing 51/2 inches Talpan 40 tall large 10 RJL ENGINES capacity its real attention getter l Only definite collectors ory Source piece years come Plus $200 postageRJL INDUSTRIES d handling per orderFree Parts Catalog $695 esidents add sales taxAvailable RJL Industries ox 5654 dena CA 91107 Phone 818 359-0016 desired information example interested patents dealing dif ferent arrangements engines air plane would go Class 244 Sub class 55 sub-class dealing arrangement aircraft power plants would look through patents contained sub-class desired information As unusual some sub-classes have hundred patents finding specific informa tion can rather tedious process interested learning about scope solutions some problem such search can rewarding However public search room has serious drawback foreign patents arranged sub-class field such aeronautics may pose serious problem inventions come other countries order easily search foreign references has make use examiners search rooms examiners search rooms pri marily designed use patent examiners work patent ap plications files however open members public want search foreign references nonpatent literature such magazine articles copies old catalogs very conveniently arranged class sub-class Class 244 has rather large pro portion foreign patents non-patent literature searching examiners search rooms highly recommended What best procedure obtain ing information PTO First PTO will search anything unless course have pending application patent really no use writing telephoning asking about ideas may have get find particular design device interested best way search something PTO personally take route PTO personnel will direct proper areas search assuming have definite objec tive mind likely will assist further reason twofold lack sufficient per sonnel heavy workload per sonnel other staff public search room expert particular field rather deal best can myriad queries inventors patent practitioners sorts different disciplines seeking some specific answers best thing to visit examiner deals type inventions interested inter ested some kind airplane feature go Group 310 group deals transportation ask see examin er works area interest secretaries will help direct appropriate person Better yet Continued page 160 64 Model Aviation RC Helicopters/JOlly Continued page 157 extensive communications package can equipped XM-27 armament kit includes 762mm minigun Late 1980 Bell completed 206L Texas Ranger antitank variant designed carry four TOW missiles other weapons helicopter also fit ted roof sight FLIR laser rangefinder/designator Intended multipurpose use aircraft has Allison 250-C30 turboshaft engine Model 206 its variants have proved popular civilian military helicopters world Over 6000 have manufac tured Bell its licensees past 15 years operated non-communist nations Production continued 1981 both Bell United States Agusta Italy Larry Jolly 5501 W Como Santa Ana CA 92703 Patent Off ice/Koniarek Continued page 64 have recent patent shows device similar yours look front patent will see name names examiners issued particular patent try contact likely candidates answer questions examiners experts respective fields some have years experi ence Approaching can pro ductive choose go examin er word caution know exactly what looking avoid generali ties such airplanes two wings will find hundreds expect take too much examiners time examiners have set quota work time very valuable possi ble try make appointment before go see examiner Most phone write examiner expect ing him search something give answer phone writing will personal search PTO impos sible what alternatives engage professional searcher names searchers can found Washington DC yellow pages live away Washington area may want contact patent attorney locality may recommend someone professional searchers vary qual ity excellent poor little research looking before hiring some people usually special ists area take whatever jobs come way specific what want done dealing order avoid misunderstandings futility What kind material can found PTO files useful air craft modelers Well just about anything commercially manufactured usually patented ranges designs advanced jumbo jets smallest parts aircraft course same applies boats cars numerous other devices thousands upon thousands solutions problems form patents would rarely see anywhere else airplane patents both utility design can roughly divided two groups far usefulness model ers concerned first group includes inventions employees large cor porations such Grumman Boeing etc ownership patent can easily ascertained looking front page last page older patentsto see assigned generally patents existing airplanes airplanes existed prototype ones reason another never saw light day usually well thought out designed would make good models too much difficulty other group airplane patents cludes creations individual inven tors working themselves can often though always spotted fact assigned company Watch out numer ous exceptions vary conventional albeit original designs wildest flights fancy terested using unusual patent basis model fact should kept mind patented inventions especially applies airplanes actually made tested fact looks some outrageous alleged flying machines hesitate call anything else can easily see no way world could actually fly proposed Some designs contradict known laws aerodynamics probably yet discovered patents unusual aircraft should dismissed too quickly some may form basis original design willing experiment extensively reward ed truly unique modelor fact invent new flying machine As examples could mention myriad flying saucer designs multiple tandem wing air craft persistent follies aeronautics attaching wings body pilot idea can traced flapping feather-studded wings 100 years ago through later propeller driven versions todays jet driven variations same quixotic scheme addition being used inspire construction patents can also serve research tools usually provide references other patents nonpatent literature describing similar designs solutions fact often finds recent 160 Model Aviation ANOTHER FL IGHT IDEA FROM EMCO Size 1-5I8x2-3l8 On-off-prop stopPre-wired Built-In fuse holderready w120 amp spade fuseyour Charge jack Small gold pin molex Connectors servo Beautiful enamel finish hardware mounting tape furnished Servo Included Specify l 1 ff-Prop Stop$2625 fl Model 2 ff only$2495 Add power resistor Model hi-low-off hi-low-prop stop Instructions included Specify E Futebe FPS 33 Tower TSS-1 0 L] Futeba FPS 20 L Airtronics 94461 Tower TSS-50 U Other mfg servo number add $2 postage & handling TX res add 5% sales tee COD add $2 Don Siegel ASTRO FLIGHT SYSTEMS & ACCESSORIES /V/L0A Electric Model Co 218 Oyster Creek Sugar Land TX 77478 713491-5878 NYLON SCREWS No fancy packaging Just great selection low prices 6-32 x 1is100 sa 832x2lOOsa 10-24 x 11/2100 ea 10-32 x 2100 ea 1/4 20 x 2120 ea /420 x 3200 ea /4-20X48000a Sifialler larger sizes also available Shipping Under $10 add $150 Over $10 Free SjIMARE COMPANY 516 Greenway Drive London KY 40741 Dealer InquIries welcome F 95 Engines Engineered Meet Demands Most Discriminating Modeler Backed Service match Engines have points easy starting carburetor linkage crankcase tapped smoke adapter SACHSDOL MAR 31 50 lIP-S lbs 11 oz 285w 31 0 Muffleri SACHSDOL MAR 37 65 HP-B lbs 15 oz 325k 34500 Muffler COBRA *KIORITZ 24*The New Standard *The Work Horse*For Giant Models *32HP-6AIbs* 31HP-5Albs * 169~* 149~ * ct Sales Only* ct Sales Only engines ready run including 6 bolt prop hub mount mounting bolts Mufflers props tanks oil spark puigs etc available extra charge ___T G MFG 857 High Mountain Rd North Haledon NJ 07508 Phone 1-201-427-3845 patent seemingly novel solution problem learns through list references cited problem has attacked different ways different inventors many years Copies patents can obtained writing Commissioner Patents Trademarks Washington DC 20231 current price $1 00/copy Questions comments concerning article can addressed author Jan P Koniarek 154 So State Rd Briarcliff Manor NY 10510 References further reading 1 AK Berle LS de Camp Inventions Patents Management D Van Nostrand Company Inc Princeton NJ 1959 2 AJ Sabin Greatest Invention Since. Pt Radio Control Modeler May 1977 p 23 3 AJ Sabin Greatest Invention Since. Pt II Radio Control Modeler June 1977 p 54 4 General Information Concerning Patents US Department Commerce Patent Trademark Office Washington DC 1983 BW gent name Bill Winter Writes column makes reading fun ramblin wakes memories makes stir As story leisurely spun Lou Roberts CL Scale/Boss Continued page 66 scale model suggested solution found Wing Tips newsletter Wingbusters MAC Hanson MA suggested use Robart similar type tires buy nextsize smaller tire install rim inside tire installed model double-thickness tires should solve flat-tire problem US FAI Scale team selection pro gram 1986 RC CL Scale World Championships has set motion appointment AMA President John Grigg John Guenther president National Association Scale Aeromodelers NASA Chairman FAI Team Selection Committee committee made up member AMA Districts date Districts 1 3 5 8 10 have named committee members urgent districts represented maximum input can given selection flying site judges support personnel date event last team selection program run NASA Louisville KY cooperation Kentucky Department State Parks Southern Indiana RC Modelers Inc addition needing committee members districts still 4& Power Panel POWER starter-pump-plug AMMETER indication plug condition ALL 12-Volt battery Battery Cord Mating Plugs Only appointed NASA would interested hearing individuals organi zations would willing assist project interested help ing project please contact AMA district VP NASA President John Guenther might also wise let NASA know plan partici pant competitor next team selec tion event way NASA will get some idea number competitors plan will also position inform directly about program details such date place fees etc finalized Send correspon dence John Guenther Box 715 RR #1 Borden IN 47106 Support scale model ing joining NASA Dues $600 yearly Send money John Guenther above address Join now Mustang Lovers received note Charles Neely Visalia CA told has considerable amount detail available models North American Mustang has threequarter inch foot drawings available four sheets 24 x 36 inches P-s lB/C models will have drawings D late K versions just about time will reading column Cost drawings $1500 per set Also included drawings set notes explaining various differences models based production location ongoing development aircraft April1985 161 3 x 5 Easy Mounting standard Power Panel shown also available two new versions smaller $2695Mn Panel flexible Dual Range P gives option 1-1/2 2 volts glow plug
Edition: Model Aviation - 1985/04
Page Numbers: 60, 61, 62, 63, 64, 160, 161
uenerui view ui pUIJIIU eeurn mimeS Patent Office section pictured US utility patents arranged class sub-class easy access Until article proposed us hadnt realized useful PTO could modeling purposes THE PATENT OFFICE formally known US Patent Trademark Office now called PTO remarkable repository materials potential interest modelers Yet some reason remains part mysterious place rarely explored known primarily because its dealings inventors inventions What seems totally underestimated public large modelers partic ular fact its files contain vast collection material potentially useful designers models tinkerers would-be inventors inventors First PTO repository US patents vast majority foreign patents ever issued alone allows unique look history aviation after seems almost anyone came out new idea probably attempted patent Second PTO has well-known fact sizable library containing old new books magazines including avia tion model airplane magazines may great help historians researchers aviation-related matters Finally marvelous information freely available public fact PTO encourages research its collec tion stating its booklets patents. ain vast wealth FOB RESUIIRCU PATENT OFFICE FILES US Patent Office little known exciting gold kinds information about flying machinesfull-size models article will serve guide PTOs resources inventors also modelers other connoisseurs aeronautics EJan P Koniarek 60 Model Aviation typical examiners search room drawers called shoes hold US foreign patents well non-patent literatureall ar ranged class sub-class public usually restricted search rooms permission can obtained access technical information suggestions organized manner will enable review closely related field interest. order make use information contained PTO files best know little about patent system its role commerce primary role PTO issue patents inventors inventions patents issued new useful non-obvious machines processes compositions matter processes involving new uses foregoing improvements above also patents issued asexually-reproduced plants unless designing flying rhododen dron little use us part two types patents interest modelers utility patents design patents Utility patents see examples granted inventions concerning some particular feature device entirely new devices previ April 1985 61 N INSN flUe Artl 34 1t 6 3437 376 fig. 47N 3a 316 16 pIN 51 I-INVUNT6 7 516 1341. p maasvmuE N thSPUSS 3316 6 U IN / N US PMt D 3MM R.N 2IMU6US Patefli F 963S1S 344371133 7 37 IJtv1rrN F41 TL J21 Ag2 111641 Two examples utility patents Notice reference numerals pointing different parts figure referenced features described patents specifications patent far ieft fora fiying wing various engine arrange ments near Edgely Optica observation aircraft Only small portion patent shown illustratIons ously unknown inventions may cover peculiar shape wing arrangement landing gear fuel tank model airplane much sample listing see Tables II first looks utility patents may seem trifle difficult under stand due fact primarily legal documents technical disclosures second Fortunately us important requirements patent granted fact invention must described such manner understood ordinary skill artmeaning Kg EATON 16 ures inven --U 16Ution described fully its operation must clear description very detailed __________________________utility patent design patent shape object illustrated description itself generally limited Ia1 INVENIflI YWiz.5 P ~34WilI 23 1463 4369938 i qIIjIN32~MULI N26W1 11THiimNcx\uH 4 L.2 FIG2 1 FIGI 0-5 FIG4 MIVAUtSU w3 a & FIG 3 34 54I 52r FIG5 Two examples design patents note Des Design preceding patent number Design patents have reference numerals usually show three-views may useful model ing patent far left guli winged glider near fora seaplane Curtiss-Wright Corporation Design patents have substantial descrip tion beyond what shown face statement invention resides shape object substantially shown difference between two types patents further emphasized fact drawings utility patents have reference numerals pointing different parts invention see example design patents rarely have numbers As far usefulness patents concerned research tool modelers 3579906the design patents will probably useful seeking new different model airplane shapes designs quite often show three-views good plans can drawn Utility patents less useful often show view entire airplane remainder illustrations focus particular feature towards invention directed may landing gear canopy arrangement engines anything else some detail construction object search utility patents will useful very rare patent will show fuselage crosssections unless invention itself Jiwa t Raaepg 6ID Ma6cav H Two examples utiiity patents dealing model airpianes far left describes fuel tank model airplane invented Robert W Kress ducted-fan fame other describes CL modei powered electric motor current carried ilnes 62 Model Aviation 7 PAIOETEDI 8853610877 miimmaut3m743 mt t vi Patents airplanes range conven tional exotic novei unuauai soiutlonstofiightcan begisaned near right isa portion patent ma neuverIng atabiiizing airpiane via ong fiexibletwin tall Departing stiil further conventional far right por tion patent VTOL airplane de signed imitate filght failing maple seed aii patents proven concepts resides peculiarities directed toward cross-sections Patent Trademark Office situated Crystal City Arlington VA Coincidentally located next National Airport quite few offices have spectacular view air field PTO easily accessible both airport downtown Washington DC Metro fact too far AMA Headquarters Reston VA location could make interesting detour visiting National Air Space Museum Library Congress Table examp 451 rtit anes nes 1001 PlO divided generally two parts public search room accessible anyone examiners section patent examiners have offices files Al patents divided class es sub-classes according subject cover pertinent classes purposes Class 244 aeronautics Class 46 toys model airplanes accessories locat ed Class D12 aircraft design patents Other separate classes deal items such engines electronics such RC gear etc class further divided sub-classes dedicat ed group inventions concentrating some specific feature public search room has US patents arranged class sub class making fairly simple find ruzIs 4 is7 United States Patent [19] Sommer et aL 34] STUUCFURAL SKIN WNSTRUCTION MATERIAlS AND M~HOD 75] Inventors je H Sstr Delnsont Msch sp Anuitni Skokie Ill 73] Assignees Jinu Disek Kent City hitch Tap Flits Medal Chicago Ill 211 ApeS No 36575 221 FiledAr4IF7 RaIsed US AwlIesIlsa Data 63j Ceanassasseaof5e No 621413 Oct tO 975 [SIJbe a364C 3/21 52]US 0214/123 46/76R 156/IS 264/342 R 264/DIG 71 421/411 428/913 58]FliddRame8244/123 117 ft 133 244/119 156/84 85 86 428/913 411 212 421 483 264/DIG 71 342 R 46/76 561 weem CIted US PATENT DOCUMENTS 3156866 6/1965 Clseys428/212 -a [II]4095760 [45]J 20 1973 32288231/1966Usala et al423/421 33886516/1961Aselrod46/76 R 34432491/1970WoItaski428/421 33785215/1971Evans156/84 396S38/1975Riboulsi 428/212 FOREIGN PATENT DOCUMENTS 657427 2/1963 Canada156/It hnsay ExansmnerGalen L Barefoot Attorney Agent FirmPrice Heneveld Huizenga & Cooper [57]ARSTRACr structural cover skin components fluidmedium craft especially foil components craft wherein layer heat shrinkable polymertc film preferably polyvinyl fluoride bonded layer heat-shrinkable polymeric film and/or fabric preferably polyester form special laminated beat shrink covering material particularly useful man flown airplanes method covering frame por tions includes encapsulatissg envelope noted material overlapped wrapping heat shrunk tautly contours frame 8 al S Doming Flasean cover patent provides much valuable information addition illustration invention included names inventor owners assignees patent assignees patent Top Flits Models Inc examiner application references cited during prosecution application show similardesignsor solutions known beforethe application patentwas made particu lar patent structure method covering wing model full-size plane April 1985 63 ingspan LASS FUSE KIT ling Area.700 sq 00 leight 78 lbsBALSA FUSE KIT Engine 9012 4cyl 800 5850 S&It DANDY flies very well 90 4stroke docile enough first low wing model 12 4stroke turns high performance pattern plane 64 wingspan top Wing 58 bottom wing DArDY II qualifies giant flying events yet small enough fit car Both kits available fiberglass Balsa fuselage foam cores come dib servo opening precut Glass Fuse/Cowl & Bellypan ision cut Foam Core WIngs Obechi veneer wing sheeting DANDY kit Complete Hardware Package & Instructions Woods complete 1odel T6 Alum Gear Balna Tail Surfaces 64GLASS FUSE KIT 1320 sq817500 910lbsBALSA FUSE KIT 9012 4cyl813500 sdd 5 Sales Tax 110 Accepted personal checks HANDS OFF CUT II Foam Wing Cutter HANDS OFF CUT II capable cutting both aides wing panel same time r wings well straight wings Just imagine after two simple ad just wents IIAITUS OFF CUT II need turn Power Supply heat cutting wire watch cut HANDS OFF HANDS OFF CUT II Invaluable tool modelers wishing cut high quality foam wing dores Ideal commercial production aa well tiaximum wing panel 8 Maximum wing cord 4 tlaxinum taper 0% recommended Fit includes necessary hardware Assembly required Includee fully illustrated instructions Ray HANDSOFT CUT II 88750 8450 Nor Products " 24 VOLT VAHIABLE OUTPIJTPOWEIT SUPPLY 5008 Sand Beach Poad 84850 S&t1 hita Falls TX 76310 Texasrem add Salso Tax 817 6924475 0 I TIDEWATER ENGR & MACH CO fLJP 0 BOX 1135BASTROP LA 71220 MICROMOTORSPHONE 318- 281-2460US DISTRIBUTOR P-21 Car SE$6500P65 Marine$9000P60 Aero SE$8500 P-21 Car RE$6500P-80 Marine$11000P-60 Aero RE$9000 P-21 Buggy SE $6500P-90 Marine$14000P-80 Aero SE$9000 P21 Buggy RE $6500P-21 Aero SE$5000P-SO Aero RE$9500 P-21 Delta$7500P-21 Aero RE$5500P45 Duct Fan$7500 P-21 Marine SE $6500P-40 Pylon RE$6500P65 Duct Fan$9500 P-21 Marine RE $6500P-40 Aero SE$5800P-SO Duct Fan$10000 P-45 Mar-Disc RV $8500P-4 Aero SE$6000Picco Caps$300 1NITROMETHANE PACKING & HANDLING $400 PICCO GLOW PLUGS $3150 Gal Plus Fr Pay Shipping ChargeI$1500IKLOTZ KL200 COD $165 CASH ONLYDOZEN$1375 Gal Plus Fr COMPETITION BOAT KITS ANDPICCO ENGINE PARTS HARDWARE IN STOCKIFOR ALL CURRENT MODELS REPLACEMENT MODEL PARTS FOR MOTOR MUGTMKraft Engines high quality totally glazedTeetori McCoy ceramic engine mug must modeler Standing 51/2 inches Talpan 40 tall large 10 RJL ENGINES capacity its real attention getter l Only definite collectors ory Source piece years come Plus $200 postageRJL INDUSTRIES d handling per orderFree Parts Catalog $695 esidents add sales taxAvailable RJL Industries ox 5654 dena CA 91107 Phone 818 359-0016 desired information example interested patents dealing dif ferent arrangements engines air plane would go Class 244 Sub class 55 sub-class dealing arrangement aircraft power plants would look through patents contained sub-class desired information As unusual some sub-classes have hundred patents finding specific informa tion can rather tedious process interested learning about scope solutions some problem such search can rewarding However public search room has serious drawback foreign patents arranged sub-class field such aeronautics may pose serious problem inventions come other countries order easily search foreign references has make use examiners search rooms examiners search rooms pri marily designed use patent examiners work patent ap plications files however open members public want search foreign references nonpatent literature such magazine articles copies old catalogs very conveniently arranged class sub-class Class 244 has rather large pro portion foreign patents non-patent literature searching examiners search rooms highly recommended What best procedure obtain ing information PTO First PTO will search anything unless course have pending application patent really no use writing telephoning asking about ideas may have get find particular design device interested best way search something PTO personally take route PTO personnel will direct proper areas search assuming have definite objec tive mind likely will assist further reason twofold lack sufficient per sonnel heavy workload per sonnel other staff public search room expert particular field rather deal best can myriad queries inventors patent practitioners sorts different disciplines seeking some specific answers best thing to visit examiner deals type inventions interested inter ested some kind airplane feature go Group 310 group deals transportation ask see examin er works area interest secretaries will help direct appropriate person Better yet Continued page 160 64 Model Aviation RC Helicopters/JOlly Continued page 157 extensive communications package can equipped XM-27 armament kit includes 762mm minigun Late 1980 Bell completed 206L Texas Ranger antitank variant designed carry four TOW missiles other weapons helicopter also fit ted roof sight FLIR laser rangefinder/designator Intended multipurpose use aircraft has Allison 250-C30 turboshaft engine Model 206 its variants have proved popular civilian military helicopters world Over 6000 have manufac tured Bell its licensees past 15 years operated non-communist nations Production continued 1981 both Bell United States Agusta Italy Larry Jolly 5501 W Como Santa Ana CA 92703 Patent Off ice/Koniarek Continued page 64 have recent patent shows device similar yours look front patent will see name names examiners issued particular patent try contact likely candidates answer questions examiners experts respective fields some have years experi ence Approaching can pro ductive choose go examin er word caution know exactly what looking avoid generali ties such airplanes two wings will find hundreds expect take too much examiners time examiners have set quota work time very valuable possi ble try make appointment before go see examiner Most phone write examiner expect ing him search something give answer phone writing will personal search PTO impos sible what alternatives engage professional searcher names searchers can found Washington DC yellow pages live away Washington area may want contact patent attorney locality may recommend someone professional searchers vary qual ity excellent poor little research looking before hiring some people usually special ists area take whatever jobs come way specific what want done dealing order avoid misunderstandings futility What kind material can found PTO files useful air craft modelers Well just about anything commercially manufactured usually patented ranges designs advanced jumbo jets smallest parts aircraft course same applies boats cars numerous other devices thousands upon thousands solutions problems form patents would rarely see anywhere else airplane patents both utility design can roughly divided two groups far usefulness model ers concerned first group includes inventions employees large cor porations such Grumman Boeing etc ownership patent can easily ascertained looking front page last page older patentsto see assigned generally patents existing airplanes airplanes existed prototype ones reason another never saw light day usually well thought out designed would make good models too much difficulty other group airplane patents cludes creations individual inven tors working themselves can often though always spotted fact assigned company Watch out numer ous exceptions vary conventional albeit original designs wildest flights fancy terested using unusual patent basis model fact should kept mind patented inventions especially applies airplanes actually made tested fact looks some outrageous alleged flying machines hesitate call anything else can easily see no way world could actually fly proposed Some designs contradict known laws aerodynamics probably yet discovered patents unusual aircraft should dismissed too quickly some may form basis original design willing experiment extensively reward ed truly unique modelor fact invent new flying machine As examples could mention myriad flying saucer designs multiple tandem wing air craft persistent follies aeronautics attaching wings body pilot idea can traced flapping feather-studded wings 100 years ago through later propeller driven versions todays jet driven variations same quixotic scheme addition being used inspire construction patents can also serve research tools usually provide references other patents nonpatent literature describing similar designs solutions fact often finds recent 160 Model Aviation ANOTHER FL IGHT IDEA FROM EMCO Size 1-5I8x2-3l8 On-off-prop stopPre-wired Built-In fuse holderready w120 amp spade fuseyour Charge jack Small gold pin molex Connectors servo Beautiful enamel finish hardware mounting tape furnished Servo Included Specify l 1 ff-Prop Stop$2625 fl Model 2 ff only$2495 Add power resistor Model hi-low-off hi-low-prop stop Instructions included Specify E Futebe FPS 33 Tower TSS-1 0 L] Futeba FPS 20 L Airtronics 94461 Tower TSS-50 U Other mfg servo number add $2 postage & handling TX res add 5% sales tee COD add $2 Don Siegel ASTRO FLIGHT SYSTEMS & ACCESSORIES /V/L0A Electric Model Co 218 Oyster Creek Sugar Land TX 77478 713491-5878 NYLON SCREWS No fancy packaging Just great selection low prices 6-32 x 1is100 sa 832x2lOOsa 10-24 x 11/2100 ea 10-32 x 2100 ea 1/4 20 x 2120 ea /420 x 3200 ea /4-20X48000a Sifialler larger sizes also available Shipping Under $10 add $150 Over $10 Free SjIMARE COMPANY 516 Greenway Drive London KY 40741 Dealer InquIries welcome F 95 Engines Engineered Meet Demands Most Discriminating Modeler Backed Service match Engines have points easy starting carburetor linkage crankcase tapped smoke adapter SACHSDOL MAR 31 50 lIP-S lbs 11 oz 285w 31 0 Muffleri SACHSDOL MAR 37 65 HP-B lbs 15 oz 325k 34500 Muffler COBRA *KIORITZ 24*The New Standard *The Work Horse*For Giant Models *32HP-6AIbs* 31HP-5Albs * 169~* 149~ * ct Sales Only* ct Sales Only engines ready run including 6 bolt prop hub mount mounting bolts Mufflers props tanks oil spark puigs etc available extra charge ___T G MFG 857 High Mountain Rd North Haledon NJ 07508 Phone 1-201-427-3845 patent seemingly novel solution problem learns through list references cited problem has attacked different ways different inventors many years Copies patents can obtained writing Commissioner Patents Trademarks Washington DC 20231 current price $1 00/copy Questions comments concerning article can addressed author Jan P Koniarek 154 So State Rd Briarcliff Manor NY 10510 References further reading 1 AK Berle LS de Camp Inventions Patents Management D Van Nostrand Company Inc Princeton NJ 1959 2 AJ Sabin Greatest Invention Since. Pt Radio Control Modeler May 1977 p 23 3 AJ Sabin Greatest Invention Since. Pt II Radio Control Modeler June 1977 p 54 4 General Information Concerning Patents US Department Commerce Patent Trademark Office Washington DC 1983 BW gent name Bill Winter Writes column makes reading fun ramblin wakes memories makes stir As story leisurely spun Lou Roberts CL Scale/Boss Continued page 66 scale model suggested solution found Wing Tips newsletter Wingbusters MAC Hanson MA suggested use Robart similar type tires buy nextsize smaller tire install rim inside tire installed model double-thickness tires should solve flat-tire problem US FAI Scale team selection pro gram 1986 RC CL Scale World Championships has set motion appointment AMA President John Grigg John Guenther president National Association Scale Aeromodelers NASA Chairman FAI Team Selection Committee committee made up member AMA Districts date Districts 1 3 5 8 10 have named committee members urgent districts represented maximum input can given selection flying site judges support personnel date event last team selection program run NASA Louisville KY cooperation Kentucky Department State Parks Southern Indiana RC Modelers Inc addition needing committee members districts still 4& Power Panel POWER starter-pump-plug AMMETER indication plug condition ALL 12-Volt battery Battery Cord Mating Plugs Only appointed NASA would interested hearing individuals organi zations would willing assist project interested help ing project please contact AMA district VP NASA President John Guenther might also wise let NASA know plan partici pant competitor next team selec tion event way NASA will get some idea number competitors plan will also position inform directly about program details such date place fees etc finalized Send correspon dence John Guenther Box 715 RR #1 Borden IN 47106 Support scale model ing joining NASA Dues $600 yearly Send money John Guenther above address Join now Mustang Lovers received note Charles Neely Visalia CA told has considerable amount detail available models North American Mustang has threequarter inch foot drawings available four sheets 24 x 36 inches P-s lB/C models will have drawings D late K versions just about time will reading column Cost drawings $1500 per set Also included drawings set notes explaining various differences models based production location ongoing development aircraft April1985 161 3 x 5 Easy Mounting standard Power Panel shown also available two new versions smaller $2695Mn Panel flexible Dual Range P gives option 1-1/2 2 volts glow plug
Edition: Model Aviation - 1985/04
Page Numbers: 60, 61, 62, 63, 64, 160, 161
uenerui view ui pUIJIIU eeurn mimeS Patent Office section pictured US utility patents arranged class sub-class easy access Until article proposed us hadnt realized useful PTO could modeling purposes THE PATENT OFFICE formally known US Patent Trademark Office now called PTO remarkable repository materials potential interest modelers Yet some reason remains part mysterious place rarely explored known primarily because its dealings inventors inventions What seems totally underestimated public large modelers partic ular fact its files contain vast collection material potentially useful designers models tinkerers would-be inventors inventors First PTO repository US patents vast majority foreign patents ever issued alone allows unique look history aviation after seems almost anyone came out new idea probably attempted patent Second PTO has well-known fact sizable library containing old new books magazines including avia tion model airplane magazines may great help historians researchers aviation-related matters Finally marvelous information freely available public fact PTO encourages research its collec tion stating its booklets patents. ain vast wealth FOB RESUIIRCU PATENT OFFICE FILES US Patent Office little known exciting gold kinds information about flying machinesfull-size models article will serve guide PTOs resources inventors also modelers other connoisseurs aeronautics EJan P Koniarek 60 Model Aviation typical examiners search room drawers called shoes hold US foreign patents well non-patent literatureall ar ranged class sub-class public usually restricted search rooms permission can obtained access technical information suggestions organized manner will enable review closely related field interest. order make use information contained PTO files best know little about patent system its role commerce primary role PTO issue patents inventors inventions patents issued new useful non-obvious machines processes compositions matter processes involving new uses foregoing improvements above also patents issued asexually-reproduced plants unless designing flying rhododen dron little use us part two types patents interest modelers utility patents design patents Utility patents see examples granted inventions concerning some particular feature device entirely new devices previ April 1985 61 N INSN flUe Artl 34 1t 6 3437 376 fig. 47N 3a 316 16 pIN 51 I-INVUNT6 7 516 1341. p maasvmuE N thSPUSS 3316 6 U IN / N US PMt D 3MM R.N 2IMU6US Patefli F 963S1S 344371133 7 37 IJtv1rrN F41 TL J21 Ag2 111641 Two examples utility patents Notice reference numerals pointing different parts figure referenced features described patents specifications patent far ieft fora fiying wing various engine arrange ments near Edgely Optica observation aircraft Only small portion patent shown illustratIons ously unknown inventions may cover peculiar shape wing arrangement landing gear fuel tank model airplane much sample listing see Tables II first looks utility patents may seem trifle difficult under stand due fact primarily legal documents technical disclosures second Fortunately us important requirements patent granted fact invention must described such manner understood ordinary skill artmeaning Kg EATON 16 ures inven --U 16Ution described fully its operation must clear description very detailed __________________________utility patent design patent shape object illustrated description itself generally limited Ia1 INVENIflI YWiz.5 P ~34WilI 23 1463 4369938 i qIIjIN32~MULI N26W1 11THiimNcx\uH 4 L.2 FIG2 1 FIGI 0-5 FIG4 MIVAUtSU w3 a & FIG 3 34 54I 52r FIG5 Two examples design patents note Des Design preceding patent number Design patents have reference numerals usually show three-views may useful model ing patent far left guli winged glider near fora seaplane Curtiss-Wright Corporation Design patents have substantial descrip tion beyond what shown face statement invention resides shape object substantially shown difference between two types patents further emphasized fact drawings utility patents have reference numerals pointing different parts invention see example design patents rarely have numbers As far usefulness patents concerned research tool modelers 3579906the design patents will probably useful seeking new different model airplane shapes designs quite often show three-views good plans can drawn Utility patents less useful often show view entire airplane remainder illustrations focus particular feature towards invention directed may landing gear canopy arrangement engines anything else some detail construction object search utility patents will useful very rare patent will show fuselage crosssections unless invention itself Jiwa t Raaepg 6ID Ma6cav H Two examples utiiity patents dealing model airpianes far left describes fuel tank model airplane invented Robert W Kress ducted-fan fame other describes CL modei powered electric motor current carried ilnes 62 Model Aviation 7 PAIOETEDI 8853610877 miimmaut3m743 mt t vi Patents airplanes range conven tional exotic novei unuauai soiutlonstofiightcan begisaned near right isa portion patent ma neuverIng atabiiizing airpiane via ong fiexibletwin tall Departing stiil further conventional far right por tion patent VTOL airplane de signed imitate filght failing maple seed aii patents proven concepts resides peculiarities directed toward cross-sections Patent Trademark Office situated Crystal City Arlington VA Coincidentally located next National Airport quite few offices have spectacular view air field PTO easily accessible both airport downtown Washington DC Metro fact too far AMA Headquarters Reston VA location could make interesting detour visiting National Air Space Museum Library Congress Table examp 451 rtit anes nes 1001 PlO divided generally two parts public search room accessible anyone examiners section patent examiners have offices files Al patents divided class es sub-classes according subject cover pertinent classes purposes Class 244 aeronautics Class 46 toys model airplanes accessories locat ed Class D12 aircraft design patents Other separate classes deal items such engines electronics such RC gear etc class further divided sub-classes dedicat ed group inventions concentrating some specific feature public search room has US patents arranged class sub class making fairly simple find ruzIs 4 is7 United States Patent [19] Sommer et aL 34] STUUCFURAL SKIN WNSTRUCTION MATERIAlS AND M~HOD 75] Inventors je H Sstr Delnsont Msch sp Anuitni Skokie Ill 73] Assignees Jinu Disek Kent City hitch Tap Flits Medal Chicago Ill 211 ApeS No 36575 221 FiledAr4IF7 RaIsed US AwlIesIlsa Data 63j Ceanassasseaof5e No 621413 Oct tO 975 [SIJbe a364C 3/21 52]US 0214/123 46/76R 156/IS 264/342 R 264/DIG 71 421/411 428/913 58]FliddRame8244/123 117 ft 133 244/119 156/84 85 86 428/913 411 212 421 483 264/DIG 71 342 R 46/76 561 weem CIted US PATENT DOCUMENTS 3156866 6/1965 Clseys428/212 -a [II]4095760 [45]J 20 1973 32288231/1966Usala et al423/421 33886516/1961Aselrod46/76 R 34432491/1970WoItaski428/421 33785215/1971Evans156/84 396S38/1975Riboulsi 428/212 FOREIGN PATENT DOCUMENTS 657427 2/1963 Canada156/It hnsay ExansmnerGalen L Barefoot Attorney Agent FirmPrice Heneveld Huizenga & Cooper [57]ARSTRACr structural cover skin components fluidmedium craft especially foil components craft wherein layer heat shrinkable polymertc film preferably polyvinyl fluoride bonded layer heat-shrinkable polymeric film and/or fabric preferably polyester form special laminated beat shrink covering material particularly useful man flown airplanes method covering frame por tions includes encapsulatissg envelope noted material overlapped wrapping heat shrunk tautly contours frame 8 al S Doming Flasean cover patent provides much valuable information addition illustration invention included names inventor owners assignees patent assignees patent Top Flits Models Inc examiner application references cited during prosecution application show similardesignsor solutions known beforethe application patentwas made particu lar patent structure method covering wing model full-size plane April 1985 63 ingspan LASS FUSE KIT ling Area.700 sq 00 leight 78 lbsBALSA FUSE KIT Engine 9012 4cyl 800 5850 S&It DANDY flies very well 90 4stroke docile enough first low wing model 12 4stroke turns high performance pattern plane 64 wingspan top Wing 58 bottom wing DArDY II qualifies giant flying events yet small enough fit car Both kits available fiberglass Balsa fuselage foam cores come dib servo opening precut Glass Fuse/Cowl & Bellypan ision cut Foam Core WIngs Obechi veneer wing sheeting DANDY kit Complete Hardware Package & Instructions Woods complete 1odel T6 Alum Gear Balna Tail Surfaces 64GLASS FUSE KIT 1320 sq817500 910lbsBALSA FUSE KIT 9012 4cyl813500 sdd 5 Sales Tax 110 Accepted personal checks HANDS OFF CUT II Foam Wing Cutter HANDS OFF CUT II capable cutting both aides wing panel same time r wings well straight wings Just imagine after two simple ad just wents IIAITUS OFF CUT II need turn Power Supply heat cutting wire watch cut HANDS OFF HANDS OFF CUT II Invaluable tool modelers wishing cut high quality foam wing dores Ideal commercial production aa well tiaximum wing panel 8 Maximum wing cord 4 tlaxinum taper 0% recommended Fit includes necessary hardware Assembly required Includee fully illustrated instructions Ray HANDSOFT CUT II 88750 8450 Nor Products " 24 VOLT VAHIABLE OUTPIJTPOWEIT SUPPLY 5008 Sand Beach Poad 84850 S&t1 hita Falls TX 76310 Texasrem add Salso Tax 817 6924475 0 I TIDEWATER ENGR & MACH CO fLJP 0 BOX 1135BASTROP LA 71220 MICROMOTORSPHONE 318- 281-2460US DISTRIBUTOR P-21 Car SE$6500P65 Marine$9000P60 Aero SE$8500 P-21 Car RE$6500P-80 Marine$11000P-60 Aero RE$9000 P-21 Buggy SE $6500P-90 Marine$14000P-80 Aero SE$9000 P21 Buggy RE $6500P-21 Aero SE$5000P-SO Aero RE$9500 P-21 Delta$7500P-21 Aero RE$5500P45 Duct Fan$7500 P-21 Marine SE $6500P-40 Pylon RE$6500P65 Duct Fan$9500 P-21 Marine RE $6500P-40 Aero SE$5800P-SO Duct Fan$10000 P-45 Mar-Disc RV $8500P-4 Aero SE$6000Picco Caps$300 1NITROMETHANE PACKING & HANDLING $400 PICCO GLOW PLUGS $3150 Gal Plus Fr Pay Shipping ChargeI$1500IKLOTZ KL200 COD $165 CASH ONLYDOZEN$1375 Gal Plus Fr COMPETITION BOAT KITS ANDPICCO ENGINE PARTS HARDWARE IN STOCKIFOR ALL CURRENT MODELS REPLACEMENT MODEL PARTS FOR MOTOR MUGTMKraft Engines high quality totally glazedTeetori McCoy ceramic engine mug must modeler Standing 51/2 inches Talpan 40 tall large 10 RJL ENGINES capacity its real attention getter l Only definite collectors ory Source piece years come Plus $200 postageRJL INDUSTRIES d handling per orderFree Parts Catalog $695 esidents add sales taxAvailable RJL Industries ox 5654 dena CA 91107 Phone 818 359-0016 desired information example interested patents dealing dif ferent arrangements engines air plane would go Class 244 Sub class 55 sub-class dealing arrangement aircraft power plants would look through patents contained sub-class desired information As unusual some sub-classes have hundred patents finding specific informa tion can rather tedious process interested learning about scope solutions some problem such search can rewarding However public search room has serious drawback foreign patents arranged sub-class field such aeronautics may pose serious problem inventions come other countries order easily search foreign references has make use examiners search rooms examiners search rooms pri marily designed use patent examiners work patent ap plications files however open members public want search foreign references nonpatent literature such magazine articles copies old catalogs very conveniently arranged class sub-class Class 244 has rather large pro portion foreign patents non-patent literature searching examiners search rooms highly recommended What best procedure obtain ing information PTO First PTO will search anything unless course have pending application patent really no use writing telephoning asking about ideas may have get find particular design device interested best way search something PTO personally take route PTO personnel will direct proper areas search assuming have definite objec tive mind likely will assist further reason twofold lack sufficient per sonnel heavy workload per sonnel other staff public search room expert particular field rather deal best can myriad queries inventors patent practitioners sorts different disciplines seeking some specific answers best thing to visit examiner deals type inventions interested inter ested some kind airplane feature go Group 310 group deals transportation ask see examin er works area interest secretaries will help direct appropriate person Better yet Continued page 160 64 Model Aviation RC Helicopters/JOlly Continued page 157 extensive communications package can equipped XM-27 armament kit includes 762mm minigun Late 1980 Bell completed 206L Texas Ranger antitank variant designed carry four TOW missiles other weapons helicopter also fit ted roof sight FLIR laser rangefinder/designator Intended multipurpose use aircraft has Allison 250-C30 turboshaft engine Model 206 its variants have proved popular civilian military helicopters world Over 6000 have manufac tured Bell its licensees past 15 years operated non-communist nations Production continued 1981 both Bell United States Agusta Italy Larry Jolly 5501 W Como Santa Ana CA 92703 Patent Off ice/Koniarek Continued page 64 have recent patent shows device similar yours look front patent will see name names examiners issued particular patent try contact likely candidates answer questions examiners experts respective fields some have years experi ence Approaching can pro ductive choose go examin er word caution know exactly what looking avoid generali ties such airplanes two wings will find hundreds expect take too much examiners time examiners have set quota work time very valuable possi ble try make appointment before go see examiner Most phone write examiner expect ing him search something give answer phone writing will personal search PTO impos sible what alternatives engage professional searcher names searchers can found Washington DC yellow pages live away Washington area may want contact patent attorney locality may recommend someone professional searchers vary qual ity excellent poor little research looking before hiring some people usually special ists area take whatever jobs come way specific what want done dealing order avoid misunderstandings futility What kind material can found PTO files useful air craft modelers Well just about anything commercially manufactured usually patented ranges designs advanced jumbo jets smallest parts aircraft course same applies boats cars numerous other devices thousands upon thousands solutions problems form patents would rarely see anywhere else airplane patents both utility design can roughly divided two groups far usefulness model ers concerned first group includes inventions employees large cor porations such Grumman Boeing etc ownership patent can easily ascertained looking front page last page older patentsto see assigned generally patents existing airplanes airplanes existed prototype ones reason another never saw light day usually well thought out designed would make good models too much difficulty other group airplane patents cludes creations individual inven tors working themselves can often though always spotted fact assigned company Watch out numer ous exceptions vary conventional albeit original designs wildest flights fancy terested using unusual patent basis model fact should kept mind patented inventions especially applies airplanes actually made tested fact looks some outrageous alleged flying machines hesitate call anything else can easily see no way world could actually fly proposed Some designs contradict known laws aerodynamics probably yet discovered patents unusual aircraft should dismissed too quickly some may form basis original design willing experiment extensively reward ed truly unique modelor fact invent new flying machine As examples could mention myriad flying saucer designs multiple tandem wing air craft persistent follies aeronautics attaching wings body pilot idea can traced flapping feather-studded wings 100 years ago through later propeller driven versions todays jet driven variations same quixotic scheme addition being used inspire construction patents can also serve research tools usually provide references other patents nonpatent literature describing similar designs solutions fact often finds recent 160 Model Aviation ANOTHER FL IGHT IDEA FROM EMCO Size 1-5I8x2-3l8 On-off-prop stopPre-wired Built-In fuse holderready w120 amp spade fuseyour Charge jack Small gold pin molex Connectors servo Beautiful enamel finish hardware mounting tape furnished Servo Included Specify l 1 ff-Prop Stop$2625 fl Model 2 ff only$2495 Add power resistor Model hi-low-off hi-low-prop stop Instructions included Specify E Futebe FPS 33 Tower TSS-1 0 L] Futeba FPS 20 L Airtronics 94461 Tower TSS-50 U Other mfg servo number add $2 postage & handling TX res add 5% sales tee COD add $2 Don Siegel ASTRO FLIGHT SYSTEMS & ACCESSORIES /V/L0A Electric Model Co 218 Oyster Creek Sugar Land TX 77478 713491-5878 NYLON SCREWS No fancy packaging Just great selection low prices 6-32 x 1is100 sa 832x2lOOsa 10-24 x 11/2100 ea 10-32 x 2100 ea 1/4 20 x 2120 ea /420 x 3200 ea /4-20X48000a Sifialler larger sizes also available Shipping Under $10 add $150 Over $10 Free SjIMARE COMPANY 516 Greenway Drive London KY 40741 Dealer InquIries welcome F 95 Engines Engineered Meet Demands Most Discriminating Modeler Backed Service match Engines have points easy starting carburetor linkage crankcase tapped smoke adapter SACHSDOL MAR 31 50 lIP-S lbs 11 oz 285w 31 0 Muffleri SACHSDOL MAR 37 65 HP-B lbs 15 oz 325k 34500 Muffler COBRA *KIORITZ 24*The New Standard *The Work Horse*For Giant Models *32HP-6AIbs* 31HP-5Albs * 169~* 149~ * ct Sales Only* ct Sales Only engines ready run including 6 bolt prop hub mount mounting bolts Mufflers props tanks oil spark puigs etc available extra charge ___T G MFG 857 High Mountain Rd North Haledon NJ 07508 Phone 1-201-427-3845 patent seemingly novel solution problem learns through list references cited problem has attacked different ways different inventors many years Copies patents can obtained writing Commissioner Patents Trademarks Washington DC 20231 current price $1 00/copy Questions comments concerning article can addressed author Jan P Koniarek 154 So State Rd Briarcliff Manor NY 10510 References further reading 1 AK Berle LS de Camp Inventions Patents Management D Van Nostrand Company Inc Princeton NJ 1959 2 AJ Sabin Greatest Invention Since. Pt Radio Control Modeler May 1977 p 23 3 AJ Sabin Greatest Invention Since. Pt II Radio Control Modeler June 1977 p 54 4 General Information Concerning Patents US Department Commerce Patent Trademark Office Washington DC 1983 BW gent name Bill Winter Writes column makes reading fun ramblin wakes memories makes stir As story leisurely spun Lou Roberts CL Scale/Boss Continued page 66 scale model suggested solution found Wing Tips newsletter Wingbusters MAC Hanson MA suggested use Robart similar type tires buy nextsize smaller tire install rim inside tire installed model double-thickness tires should solve flat-tire problem US FAI Scale team selection pro gram 1986 RC CL Scale World Championships has set motion appointment AMA President John Grigg John Guenther president National Association Scale Aeromodelers NASA Chairman FAI Team Selection Committee committee made up member AMA Districts date Districts 1 3 5 8 10 have named committee members urgent districts represented maximum input can given selection flying site judges support personnel date event last team selection program run NASA Louisville KY cooperation Kentucky Department State Parks Southern Indiana RC Modelers Inc addition needing committee members districts still 4& Power Panel POWER starter-pump-plug AMMETER indication plug condition ALL 12-Volt battery Battery Cord Mating Plugs Only appointed NASA would interested hearing individuals organi zations would willing assist project interested help ing project please contact AMA district VP NASA President John Guenther might also wise let NASA know plan partici pant competitor next team selec tion event way NASA will get some idea number competitors plan will also position inform directly about program details such date place fees etc finalized Send correspon dence John Guenther Box 715 RR #1 Borden IN 47106 Support scale model ing joining NASA Dues $600 yearly Send money John Guenther above address Join now Mustang Lovers received note Charles Neely Visalia CA told has considerable amount detail available models North American Mustang has threequarter inch foot drawings available four sheets 24 x 36 inches P-s lB/C models will have drawings D late K versions just about time will reading column Cost drawings $1500 per set Also included drawings set notes explaining various differences models based production location ongoing development aircraft April1985 161 3 x 5 Easy Mounting standard Power Panel shown also available two new versions smaller $2695Mn Panel flexible Dual Range P gives option 1-1/2 2 volts glow plug
Edition: Model Aviation - 1985/04
Page Numbers: 60, 61, 62, 63, 64, 160, 161
uenerui view ui pUIJIIU eeurn mimeS Patent Office section pictured US utility patents arranged class sub-class easy access Until article proposed us hadnt realized useful PTO could modeling purposes THE PATENT OFFICE formally known US Patent Trademark Office now called PTO remarkable repository materials potential interest modelers Yet some reason remains part mysterious place rarely explored known primarily because its dealings inventors inventions What seems totally underestimated public large modelers partic ular fact its files contain vast collection material potentially useful designers models tinkerers would-be inventors inventors First PTO repository US patents vast majority foreign patents ever issued alone allows unique look history aviation after seems almost anyone came out new idea probably attempted patent Second PTO has well-known fact sizable library containing old new books magazines including avia tion model airplane magazines may great help historians researchers aviation-related matters Finally marvelous information freely available public fact PTO encourages research its collec tion stating its booklets patents. ain vast wealth FOB RESUIIRCU PATENT OFFICE FILES US Patent Office little known exciting gold kinds information about flying machinesfull-size models article will serve guide PTOs resources inventors also modelers other connoisseurs aeronautics EJan P Koniarek 60 Model Aviation typical examiners search room drawers called shoes hold US foreign patents well non-patent literatureall ar ranged class sub-class public usually restricted search rooms permission can obtained access technical information suggestions organized manner will enable review closely related field interest. order make use information contained PTO files best know little about patent system its role commerce primary role PTO issue patents inventors inventions patents issued new useful non-obvious machines processes compositions matter processes involving new uses foregoing improvements above also patents issued asexually-reproduced plants unless designing flying rhododen dron little use us part two types patents interest modelers utility patents design patents Utility patents see examples granted inventions concerning some particular feature device entirely new devices previ April 1985 61 N INSN flUe Artl 34 1t 6 3437 376 fig. 47N 3a 316 16 pIN 51 I-INVUNT6 7 516 1341. p maasvmuE N thSPUSS 3316 6 U IN / N US PMt D 3MM R.N 2IMU6US Patefli F 963S1S 344371133 7 37 IJtv1rrN F41 TL J21 Ag2 111641 Two examples utility patents Notice reference numerals pointing different parts figure referenced features described patents specifications patent far ieft fora fiying wing various engine arrange ments near Edgely Optica observation aircraft Only small portion patent shown illustratIons ously unknown inventions may cover peculiar shape wing arrangement landing gear fuel tank model airplane much sample listing see Tables II first looks utility patents may seem trifle difficult under stand due fact primarily legal documents technical disclosures second Fortunately us important requirements patent granted fact invention must described such manner understood ordinary skill artmeaning Kg EATON 16 ures inven --U 16Ution described fully its operation must clear description very detailed __________________________utility patent design patent shape object illustrated description itself generally limited Ia1 INVENIflI YWiz.5 P ~34WilI 23 1463 4369938 i qIIjIN32~MULI N26W1 11THiimNcx\uH 4 L.2 FIG2 1 FIGI 0-5 FIG4 MIVAUtSU w3 a & FIG 3 34 54I 52r FIG5 Two examples design patents note Des Design preceding patent number Design patents have reference numerals usually show three-views may useful model ing patent far left guli winged glider near fora seaplane Curtiss-Wright Corporation Design patents have substantial descrip tion beyond what shown face statement invention resides shape object substantially shown difference between two types patents further emphasized fact drawings utility patents have reference numerals pointing different parts invention see example design patents rarely have numbers As far usefulness patents concerned research tool modelers 3579906the design patents will probably useful seeking new different model airplane shapes designs quite often show three-views good plans can drawn Utility patents less useful often show view entire airplane remainder illustrations focus particular feature towards invention directed may landing gear canopy arrangement engines anything else some detail construction object search utility patents will useful very rare patent will show fuselage crosssections unless invention itself Jiwa t Raaepg 6ID Ma6cav H Two examples utiiity patents dealing model airpianes far left describes fuel tank model airplane invented Robert W Kress ducted-fan fame other describes CL modei powered electric motor current carried ilnes 62 Model Aviation 7 PAIOETEDI 8853610877 miimmaut3m743 mt t vi Patents airplanes range conven tional exotic novei unuauai soiutlonstofiightcan begisaned near right isa portion patent ma neuverIng atabiiizing airpiane via ong fiexibletwin tall Departing stiil further conventional far right por tion patent VTOL airplane de signed imitate filght failing maple seed aii patents proven concepts resides peculiarities directed toward cross-sections Patent Trademark Office situated Crystal City Arlington VA Coincidentally located next National Airport quite few offices have spectacular view air field PTO easily accessible both airport downtown Washington DC Metro fact too far AMA Headquarters Reston VA location could make interesting detour visiting National Air Space Museum Library Congress Table examp 451 rtit anes nes 1001 PlO divided generally two parts public search room accessible anyone examiners section patent examiners have offices files Al patents divided class es sub-classes according subject cover pertinent classes purposes Class 244 aeronautics Class 46 toys model airplanes accessories locat ed Class D12 aircraft design patents Other separate classes deal items such engines electronics such RC gear etc class further divided sub-classes dedicat ed group inventions concentrating some specific feature public search room has US patents arranged class sub class making fairly simple find ruzIs 4 is7 United States Patent [19] Sommer et aL 34] STUUCFURAL SKIN WNSTRUCTION MATERIAlS AND M~HOD 75] Inventors je H Sstr Delnsont Msch sp Anuitni Skokie Ill 73] Assignees Jinu Disek Kent City hitch Tap Flits Medal Chicago Ill 211 ApeS No 36575 221 FiledAr4IF7 RaIsed US AwlIesIlsa Data 63j Ceanassasseaof5e No 621413 Oct tO 975 [SIJbe a364C 3/21 52]US 0214/123 46/76R 156/IS 264/342 R 264/DIG 71 421/411 428/913 58]FliddRame8244/123 117 ft 133 244/119 156/84 85 86 428/913 411 212 421 483 264/DIG 71 342 R 46/76 561 weem CIted US PATENT DOCUMENTS 3156866 6/1965 Clseys428/212 -a [II]4095760 [45]J 20 1973 32288231/1966Usala et al423/421 33886516/1961Aselrod46/76 R 34432491/1970WoItaski428/421 33785215/1971Evans156/84 396S38/1975Riboulsi 428/212 FOREIGN PATENT DOCUMENTS 657427 2/1963 Canada156/It hnsay ExansmnerGalen L Barefoot Attorney Agent FirmPrice Heneveld Huizenga & Cooper [57]ARSTRACr structural cover skin components fluidmedium craft especially foil components craft wherein layer heat shrinkable polymertc film preferably polyvinyl fluoride bonded layer heat-shrinkable polymeric film and/or fabric preferably polyester form special laminated beat shrink covering material particularly useful man flown airplanes method covering frame por tions includes encapsulatissg envelope noted material overlapped wrapping heat shrunk tautly contours frame 8 al S Doming Flasean cover patent provides much valuable information addition illustration invention included names inventor owners assignees patent assignees patent Top Flits Models Inc examiner application references cited during prosecution application show similardesignsor solutions known beforethe application patentwas made particu lar patent structure method covering wing model full-size plane April 1985 63 ingspan LASS FUSE KIT ling Area.700 sq 00 leight 78 lbsBALSA FUSE KIT Engine 9012 4cyl 800 5850 S&It DANDY flies very well 90 4stroke docile enough first low wing model 12 4stroke turns high performance pattern plane 64 wingspan top Wing 58 bottom wing DArDY II qualifies giant flying events yet small enough fit car Both kits available fiberglass Balsa fuselage foam cores come dib servo opening precut Glass Fuse/Cowl & Bellypan ision cut Foam Core WIngs Obechi veneer wing sheeting DANDY kit Complete Hardware Package & Instructions Woods complete 1odel T6 Alum Gear Balna Tail Surfaces 64GLASS FUSE KIT 1320 sq817500 910lbsBALSA FUSE KIT 9012 4cyl813500 sdd 5 Sales Tax 110 Accepted personal checks HANDS OFF CUT II Foam Wing Cutter HANDS OFF CUT II capable cutting both aides wing panel same time r wings well straight wings Just imagine after two simple ad just wents IIAITUS OFF CUT II need turn Power Supply heat cutting wire watch cut HANDS OFF HANDS OFF CUT II Invaluable tool modelers wishing cut high quality foam wing dores Ideal commercial production aa well tiaximum wing panel 8 Maximum wing cord 4 tlaxinum taper 0% recommended Fit includes necessary hardware Assembly required Includee fully illustrated instructions Ray HANDSOFT CUT II 88750 8450 Nor Products " 24 VOLT VAHIABLE OUTPIJTPOWEIT SUPPLY 5008 Sand Beach Poad 84850 S&t1 hita Falls TX 76310 Texasrem add Salso Tax 817 6924475 0 I TIDEWATER ENGR & MACH CO fLJP 0 BOX 1135BASTROP LA 71220 MICROMOTORSPHONE 318- 281-2460US DISTRIBUTOR P-21 Car SE$6500P65 Marine$9000P60 Aero SE$8500 P-21 Car RE$6500P-80 Marine$11000P-60 Aero RE$9000 P-21 Buggy SE $6500P-90 Marine$14000P-80 Aero SE$9000 P21 Buggy RE $6500P-21 Aero SE$5000P-SO Aero RE$9500 P-21 Delta$7500P-21 Aero RE$5500P45 Duct Fan$7500 P-21 Marine SE $6500P-40 Pylon RE$6500P65 Duct Fan$9500 P-21 Marine RE $6500P-40 Aero SE$5800P-SO Duct Fan$10000 P-45 Mar-Disc RV $8500P-4 Aero SE$6000Picco Caps$300 1NITROMETHANE PACKING & HANDLING $400 PICCO GLOW PLUGS $3150 Gal Plus Fr Pay Shipping ChargeI$1500IKLOTZ KL200 COD $165 CASH ONLYDOZEN$1375 Gal Plus Fr COMPETITION BOAT KITS ANDPICCO ENGINE PARTS HARDWARE IN STOCKIFOR ALL CURRENT MODELS REPLACEMENT MODEL PARTS FOR MOTOR MUGTMKraft Engines high quality totally glazedTeetori McCoy ceramic engine mug must modeler Standing 51/2 inches Talpan 40 tall large 10 RJL ENGINES capacity its real attention getter l Only definite collectors ory Source piece years come Plus $200 postageRJL INDUSTRIES d handling per orderFree Parts Catalog $695 esidents add sales taxAvailable RJL Industries ox 5654 dena CA 91107 Phone 818 359-0016 desired information example interested patents dealing dif ferent arrangements engines air plane would go Class 244 Sub class 55 sub-class dealing arrangement aircraft power plants would look through patents contained sub-class desired information As unusual some sub-classes have hundred patents finding specific informa tion can rather tedious process interested learning about scope solutions some problem such search can rewarding However public search room has serious drawback foreign patents arranged sub-class field such aeronautics may pose serious problem inventions come other countries order easily search foreign references has make use examiners search rooms examiners search rooms pri marily designed use patent examiners work patent ap plications files however open members public want search foreign references nonpatent literature such magazine articles copies old catalogs very conveniently arranged class sub-class Class 244 has rather large pro portion foreign patents non-patent literature searching examiners search rooms highly recommended What best procedure obtain ing information PTO First PTO will search anything unless course have pending application patent really no use writing telephoning asking about ideas may have get find particular design device interested best way search something PTO personally take route PTO personnel will direct proper areas search assuming have definite objec tive mind likely will assist further reason twofold lack sufficient per sonnel heavy workload per sonnel other staff public search room expert particular field rather deal best can myriad queries inventors patent practitioners sorts different disciplines seeking some specific answers best thing to visit examiner deals type inventions interested inter ested some kind airplane feature go Group 310 group deals transportation ask see examin er works area interest secretaries will help direct appropriate person Better yet Continued page 160 64 Model Aviation RC Helicopters/JOlly Continued page 157 extensive communications package can equipped XM-27 armament kit includes 762mm minigun Late 1980 Bell completed 206L Texas Ranger antitank variant designed carry four TOW missiles other weapons helicopter also fit ted roof sight FLIR laser rangefinder/designator Intended multipurpose use aircraft has Allison 250-C30 turboshaft engine Model 206 its variants have proved popular civilian military helicopters world Over 6000 have manufac tured Bell its licensees past 15 years operated non-communist nations Production continued 1981 both Bell United States Agusta Italy Larry Jolly 5501 W Como Santa Ana CA 92703 Patent Off ice/Koniarek Continued page 64 have recent patent shows device similar yours look front patent will see name names examiners issued particular patent try contact likely candidates answer questions examiners experts respective fields some have years experi ence Approaching can pro ductive choose go examin er word caution know exactly what looking avoid generali ties such airplanes two wings will find hundreds expect take too much examiners time examiners have set quota work time very valuable possi ble try make appointment before go see examiner Most phone write examiner expect ing him search something give answer phone writing will personal search PTO impos sible what alternatives engage professional searcher names searchers can found Washington DC yellow pages live away Washington area may want contact patent attorney locality may recommend someone professional searchers vary qual ity excellent poor little research looking before hiring some people usually special ists area take whatever jobs come way specific what want done dealing order avoid misunderstandings futility What kind material can found PTO files useful air craft modelers Well just about anything commercially manufactured usually patented ranges designs advanced jumbo jets smallest parts aircraft course same applies boats cars numerous other devices thousands upon thousands solutions problems form patents would rarely see anywhere else airplane patents both utility design can roughly divided two groups far usefulness model ers concerned first group includes inventions employees large cor porations such Grumman Boeing etc ownership patent can easily ascertained looking front page last page older patentsto see assigned generally patents existing airplanes airplanes existed prototype ones reason another never saw light day usually well thought out designed would make good models too much difficulty other group airplane patents cludes creations individual inven tors working themselves can often though always spotted fact assigned company Watch out numer ous exceptions vary conventional albeit original designs wildest flights fancy terested using unusual patent basis model fact should kept mind patented inventions especially applies airplanes actually made tested fact looks some outrageous alleged flying machines hesitate call anything else can easily see no way world could actually fly proposed Some designs contradict known laws aerodynamics probably yet discovered patents unusual aircraft should dismissed too quickly some may form basis original design willing experiment extensively reward ed truly unique modelor fact invent new flying machine As examples could mention myriad flying saucer designs multiple tandem wing air craft persistent follies aeronautics attaching wings body pilot idea can traced flapping feather-studded wings 100 years ago through later propeller driven versions todays jet driven variations same quixotic scheme addition being used inspire construction patents can also serve research tools usually provide references other patents nonpatent literature describing similar designs solutions fact often finds recent 160 Model Aviation ANOTHER FL IGHT IDEA FROM EMCO Size 1-5I8x2-3l8 On-off-prop stopPre-wired Built-In fuse holderready w120 amp spade fuseyour Charge jack Small gold pin molex Connectors servo Beautiful enamel finish hardware mounting tape furnished Servo Included Specify l 1 ff-Prop Stop$2625 fl Model 2 ff only$2495 Add power resistor Model hi-low-off hi-low-prop stop Instructions included Specify E Futebe FPS 33 Tower TSS-1 0 L] Futeba FPS 20 L Airtronics 94461 Tower TSS-50 U Other mfg servo number add $2 postage & handling TX res add 5% sales tee COD add $2 Don Siegel ASTRO FLIGHT SYSTEMS & ACCESSORIES /V/L0A Electric Model Co 218 Oyster Creek Sugar Land TX 77478 713491-5878 NYLON SCREWS No fancy packaging Just great selection low prices 6-32 x 1is100 sa 832x2lOOsa 10-24 x 11/2100 ea 10-32 x 2100 ea 1/4 20 x 2120 ea /420 x 3200 ea /4-20X48000a Sifialler larger sizes also available Shipping Under $10 add $150 Over $10 Free SjIMARE COMPANY 516 Greenway Drive London KY 40741 Dealer InquIries welcome F 95 Engines Engineered Meet Demands Most Discriminating Modeler Backed Service match Engines have points easy starting carburetor linkage crankcase tapped smoke adapter SACHSDOL MAR 31 50 lIP-S lbs 11 oz 285w 31 0 Muffleri SACHSDOL MAR 37 65 HP-B lbs 15 oz 325k 34500 Muffler COBRA *KIORITZ 24*The New Standard *The Work Horse*For Giant Models *32HP-6AIbs* 31HP-5Albs * 169~* 149~ * ct Sales Only* ct Sales Only engines ready run including 6 bolt prop hub mount mounting bolts Mufflers props tanks oil spark puigs etc available extra charge ___T G MFG 857 High Mountain Rd North Haledon NJ 07508 Phone 1-201-427-3845 patent seemingly novel solution problem learns through list references cited problem has attacked different ways different inventors many years Copies patents can obtained writing Commissioner Patents Trademarks Washington DC 20231 current price $1 00/copy Questions comments concerning article can addressed author Jan P Koniarek 154 So State Rd Briarcliff Manor NY 10510 References further reading 1 AK Berle LS de Camp Inventions Patents Management D Van Nostrand Company Inc Princeton NJ 1959 2 AJ Sabin Greatest Invention Since. Pt Radio Control Modeler May 1977 p 23 3 AJ Sabin Greatest Invention Since. Pt II Radio Control Modeler June 1977 p 54 4 General Information Concerning Patents US Department Commerce Patent Trademark Office Washington DC 1983 BW gent name Bill Winter Writes column makes reading fun ramblin wakes memories makes stir As story leisurely spun Lou Roberts CL Scale/Boss Continued page 66 scale model suggested solution found Wing Tips newsletter Wingbusters MAC Hanson MA suggested use Robart similar type tires buy nextsize smaller tire install rim inside tire installed model double-thickness tires should solve flat-tire problem US FAI Scale team selection pro gram 1986 RC CL Scale World Championships has set motion appointment AMA President John Grigg John Guenther president National Association Scale Aeromodelers NASA Chairman FAI Team Selection Committee committee made up member AMA Districts date Districts 1 3 5 8 10 have named committee members urgent districts represented maximum input can given selection flying site judges support personnel date event last team selection program run NASA Louisville KY cooperation Kentucky Department State Parks Southern Indiana RC Modelers Inc addition needing committee members districts still 4& Power Panel POWER starter-pump-plug AMMETER indication plug condition ALL 12-Volt battery Battery Cord Mating Plugs Only appointed NASA would interested hearing individuals organi zations would willing assist project interested help ing project please contact AMA district VP NASA President John Guenther might also wise let NASA know plan partici pant competitor next team selec tion event way NASA will get some idea number competitors plan will also position inform directly about program details such date place fees etc finalized Send correspon dence John Guenther Box 715 RR #1 Borden IN 47106 Support scale model ing joining NASA Dues $600 yearly Send money John Guenther above address Join now Mustang Lovers received note Charles Neely Visalia CA told has considerable amount detail available models North American Mustang has threequarter inch foot drawings available four sheets 24 x 36 inches P-s lB/C models will have drawings D late K versions just about time will reading column Cost drawings $1500 per set Also included drawings set notes explaining various differences models based production location ongoing development aircraft April1985 161 3 x 5 Easy Mounting standard Power Panel shown also available two new versions smaller $2695Mn Panel flexible Dual Range P gives option 1-1/2 2 volts glow plug
Edition: Model Aviation - 1985/04
Page Numbers: 60, 61, 62, 63, 64, 160, 161
uenerui view ui pUIJIIU eeurn mimeS Patent Office section pictured US utility patents arranged class sub-class easy access Until article proposed us hadnt realized useful PTO could modeling purposes THE PATENT OFFICE formally known US Patent Trademark Office now called PTO remarkable repository materials potential interest modelers Yet some reason remains part mysterious place rarely explored known primarily because its dealings inventors inventions What seems totally underestimated public large modelers partic ular fact its files contain vast collection material potentially useful designers models tinkerers would-be inventors inventors First PTO repository US patents vast majority foreign patents ever issued alone allows unique look history aviation after seems almost anyone came out new idea probably attempted patent Second PTO has well-known fact sizable library containing old new books magazines including avia tion model airplane magazines may great help historians researchers aviation-related matters Finally marvelous information freely available public fact PTO encourages research its collec tion stating its booklets patents. ain vast wealth FOB RESUIIRCU PATENT OFFICE FILES US Patent Office little known exciting gold kinds information about flying machinesfull-size models article will serve guide PTOs resources inventors also modelers other connoisseurs aeronautics EJan P Koniarek 60 Model Aviation typical examiners search room drawers called shoes hold US foreign patents well non-patent literatureall ar ranged class sub-class public usually restricted search rooms permission can obtained access technical information suggestions organized manner will enable review closely related field interest. order make use information contained PTO files best know little about patent system its role commerce primary role PTO issue patents inventors inventions patents issued new useful non-obvious machines processes compositions matter processes involving new uses foregoing improvements above also patents issued asexually-reproduced plants unless designing flying rhododen dron little use us part two types patents interest modelers utility patents design patents Utility patents see examples granted inventions concerning some particular feature device entirely new devices previ April 1985 61 N INSN flUe Artl 34 1t 6 3437 376 fig. 47N 3a 316 16 pIN 51 I-INVUNT6 7 516 1341. p maasvmuE N thSPUSS 3316 6 U IN / N US PMt D 3MM R.N 2IMU6US Patefli F 963S1S 344371133 7 37 IJtv1rrN F41 TL J21 Ag2 111641 Two examples utility patents Notice reference numerals pointing different parts figure referenced features described patents specifications patent far ieft fora fiying wing various engine arrange ments near Edgely Optica observation aircraft Only small portion patent shown illustratIons ously unknown inventions may cover peculiar shape wing arrangement landing gear fuel tank model airplane much sample listing see Tables II first looks utility patents may seem trifle difficult under stand due fact primarily legal documents technical disclosures second Fortunately us important requirements patent granted fact invention must described such manner understood ordinary skill artmeaning Kg EATON 16 ures inven --U 16Ution described fully its operation must clear description very detailed __________________________utility patent design patent shape object illustrated description itself generally limited Ia1 INVENIflI YWiz.5 P ~34WilI 23 1463 4369938 i qIIjIN32~MULI N26W1 11THiimNcx\uH 4 L.2 FIG2 1 FIGI 0-5 FIG4 MIVAUtSU w3 a & FIG 3 34 54I 52r FIG5 Two examples design patents note Des Design preceding patent number Design patents have reference numerals usually show three-views may useful model ing patent far left guli winged glider near fora seaplane Curtiss-Wright Corporation Design patents have substantial descrip tion beyond what shown face statement invention resides shape object substantially shown difference between two types patents further emphasized fact drawings utility patents have reference numerals pointing different parts invention see example design patents rarely have numbers As far usefulness patents concerned research tool modelers 3579906the design patents will probably useful seeking new different model airplane shapes designs quite often show three-views good plans can drawn Utility patents less useful often show view entire airplane remainder illustrations focus particular feature towards invention directed may landing gear canopy arrangement engines anything else some detail construction object search utility patents will useful very rare patent will show fuselage crosssections unless invention itself Jiwa t Raaepg 6ID Ma6cav H Two examples utiiity patents dealing model airpianes far left describes fuel tank model airplane invented Robert W Kress ducted-fan fame other describes CL modei powered electric motor current carried ilnes 62 Model Aviation 7 PAIOETEDI 8853610877 miimmaut3m743 mt t vi Patents airplanes range conven tional exotic novei unuauai soiutlonstofiightcan begisaned near right isa portion patent ma neuverIng atabiiizing airpiane via ong fiexibletwin tall Departing stiil further conventional far right por tion patent VTOL airplane de signed imitate filght failing maple seed aii patents proven concepts resides peculiarities directed toward cross-sections Patent Trademark Office situated Crystal City Arlington VA Coincidentally located next National Airport quite few offices have spectacular view air field PTO easily accessible both airport downtown Washington DC Metro fact too far AMA Headquarters Reston VA location could make interesting detour visiting National Air Space Museum Library Congress Table examp 451 rtit anes nes 1001 PlO divided generally two parts public search room accessible anyone examiners section patent examiners have offices files Al patents divided class es sub-classes according subject cover pertinent classes purposes Class 244 aeronautics Class 46 toys model airplanes accessories locat ed Class D12 aircraft design patents Other separate classes deal items such engines electronics such RC gear etc class further divided sub-classes dedicat ed group inventions concentrating some specific feature public search room has US patents arranged class sub class making fairly simple find ruzIs 4 is7 United States Patent [19] Sommer et aL 34] STUUCFURAL SKIN WNSTRUCTION MATERIAlS AND M~HOD 75] Inventors je H Sstr Delnsont Msch sp Anuitni Skokie Ill 73] Assignees Jinu Disek Kent City hitch Tap Flits Medal Chicago Ill 211 ApeS No 36575 221 FiledAr4IF7 RaIsed US AwlIesIlsa Data 63j Ceanassasseaof5e No 621413 Oct tO 975 [SIJbe a364C 3/21 52]US 0214/123 46/76R 156/IS 264/342 R 264/DIG 71 421/411 428/913 58]FliddRame8244/123 117 ft 133 244/119 156/84 85 86 428/913 411 212 421 483 264/DIG 71 342 R 46/76 561 weem CIted US PATENT DOCUMENTS 3156866 6/1965 Clseys428/212 -a [II]4095760 [45]J 20 1973 32288231/1966Usala et al423/421 33886516/1961Aselrod46/76 R 34432491/1970WoItaski428/421 33785215/1971Evans156/84 396S38/1975Riboulsi 428/212 FOREIGN PATENT DOCUMENTS 657427 2/1963 Canada156/It hnsay ExansmnerGalen L Barefoot Attorney Agent FirmPrice Heneveld Huizenga & Cooper [57]ARSTRACr structural cover skin components fluidmedium craft especially foil components craft wherein layer heat shrinkable polymertc film preferably polyvinyl fluoride bonded layer heat-shrinkable polymeric film and/or fabric preferably polyester form special laminated beat shrink covering material particularly useful man flown airplanes method covering frame por tions includes encapsulatissg envelope noted material overlapped wrapping heat shrunk tautly contours frame 8 al S Doming Flasean cover patent provides much valuable information addition illustration invention included names inventor owners assignees patent assignees patent Top Flits Models Inc examiner application references cited during prosecution application show similardesignsor solutions known beforethe application patentwas made particu lar patent structure method covering wing model full-size plane April 1985 63 ingspan LASS FUSE KIT ling Area.700 sq 00 leight 78 lbsBALSA FUSE KIT Engine 9012 4cyl 800 5850 S&It DANDY flies very well 90 4stroke docile enough first low wing model 12 4stroke turns high performance pattern plane 64 wingspan top Wing 58 bottom wing DArDY II qualifies giant flying events yet small enough fit car Both kits available fiberglass Balsa fuselage foam cores come dib servo opening precut Glass Fuse/Cowl & Bellypan ision cut Foam Core WIngs Obechi veneer wing sheeting DANDY kit Complete Hardware Package & Instructions Woods complete 1odel T6 Alum Gear Balna Tail Surfaces 64GLASS FUSE KIT 1320 sq817500 910lbsBALSA FUSE KIT 9012 4cyl813500 sdd 5 Sales Tax 110 Accepted personal checks HANDS OFF CUT II Foam Wing Cutter HANDS OFF CUT II capable cutting both aides wing panel same time r wings well straight wings Just imagine after two simple ad just wents IIAITUS OFF CUT II need turn Power Supply heat cutting wire watch cut HANDS OFF HANDS OFF CUT II Invaluable tool modelers wishing cut high quality foam wing dores Ideal commercial production aa well tiaximum wing panel 8 Maximum wing cord 4 tlaxinum taper 0% recommended Fit includes necessary hardware Assembly required Includee fully illustrated instructions Ray HANDSOFT CUT II 88750 8450 Nor Products " 24 VOLT VAHIABLE OUTPIJTPOWEIT SUPPLY 5008 Sand Beach Poad 84850 S&t1 hita Falls TX 76310 Texasrem add Salso Tax 817 6924475 0 I TIDEWATER ENGR & MACH CO fLJP 0 BOX 1135BASTROP LA 71220 MICROMOTORSPHONE 318- 281-2460US DISTRIBUTOR P-21 Car SE$6500P65 Marine$9000P60 Aero SE$8500 P-21 Car RE$6500P-80 Marine$11000P-60 Aero RE$9000 P-21 Buggy SE $6500P-90 Marine$14000P-80 Aero SE$9000 P21 Buggy RE $6500P-21 Aero SE$5000P-SO Aero RE$9500 P-21 Delta$7500P-21 Aero RE$5500P45 Duct Fan$7500 P-21 Marine SE $6500P-40 Pylon RE$6500P65 Duct Fan$9500 P-21 Marine RE $6500P-40 Aero SE$5800P-SO Duct Fan$10000 P-45 Mar-Disc RV $8500P-4 Aero SE$6000Picco Caps$300 1NITROMETHANE PACKING & HANDLING $400 PICCO GLOW PLUGS $3150 Gal Plus Fr Pay Shipping ChargeI$1500IKLOTZ KL200 COD $165 CASH ONLYDOZEN$1375 Gal Plus Fr COMPETITION BOAT KITS ANDPICCO ENGINE PARTS HARDWARE IN STOCKIFOR ALL CURRENT MODELS REPLACEMENT MODEL PARTS FOR MOTOR MUGTMKraft Engines high quality totally glazedTeetori McCoy ceramic engine mug must modeler Standing 51/2 inches Talpan 40 tall large 10 RJL ENGINES capacity its real attention getter l Only definite collectors ory Source piece years come Plus $200 postageRJL INDUSTRIES d handling per orderFree Parts Catalog $695 esidents add sales taxAvailable RJL Industries ox 5654 dena CA 91107 Phone 818 359-0016 desired information example interested patents dealing dif ferent arrangements engines air plane would go Class 244 Sub class 55 sub-class dealing arrangement aircraft power plants would look through patents contained sub-class desired information As unusual some sub-classes have hundred patents finding specific informa tion can rather tedious process interested learning about scope solutions some problem such search can rewarding However public search room has serious drawback foreign patents arranged sub-class field such aeronautics may pose serious problem inventions come other countries order easily search foreign references has make use examiners search rooms examiners search rooms pri marily designed use patent examiners work patent ap plications files however open members public want search foreign references nonpatent literature such magazine articles copies old catalogs very conveniently arranged class sub-class Class 244 has rather large pro portion foreign patents non-patent literature searching examiners search rooms highly recommended What best procedure obtain ing information PTO First PTO will search anything unless course have pending application patent really no use writing telephoning asking about ideas may have get find particular design device interested best way search something PTO personally take route PTO personnel will direct proper areas search assuming have definite objec tive mind likely will assist further reason twofold lack sufficient per sonnel heavy workload per sonnel other staff public search room expert particular field rather deal best can myriad queries inventors patent practitioners sorts different disciplines seeking some specific answers best thing to visit examiner deals type inventions interested inter ested some kind airplane feature go Group 310 group deals transportation ask see examin er works area interest secretaries will help direct appropriate person Better yet Continued page 160 64 Model Aviation RC Helicopters/JOlly Continued page 157 extensive communications package can equipped XM-27 armament kit includes 762mm minigun Late 1980 Bell completed 206L Texas Ranger antitank variant designed carry four TOW missiles other weapons helicopter also fit ted roof sight FLIR laser rangefinder/designator Intended multipurpose use aircraft has Allison 250-C30 turboshaft engine Model 206 its variants have proved popular civilian military helicopters world Over 6000 have manufac tured Bell its licensees past 15 years operated non-communist nations Production continued 1981 both Bell United States Agusta Italy Larry Jolly 5501 W Como Santa Ana CA 92703 Patent Off ice/Koniarek Continued page 64 have recent patent shows device similar yours look front patent will see name names examiners issued particular patent try contact likely candidates answer questions examiners experts respective fields some have years experi ence Approaching can pro ductive choose go examin er word caution know exactly what looking avoid generali ties such airplanes two wings will find hundreds expect take too much examiners time examiners have set quota work time very valuable possi ble try make appointment before go see examiner Most phone write examiner expect ing him search something give answer phone writing will personal search PTO impos sible what alternatives engage professional searcher names searchers can found Washington DC yellow pages live away Washington area may want contact patent attorney locality may recommend someone professional searchers vary qual ity excellent poor little research looking before hiring some people usually special ists area take whatever jobs come way specific what want done dealing order avoid misunderstandings futility What kind material can found PTO files useful air craft modelers Well just about anything commercially manufactured usually patented ranges designs advanced jumbo jets smallest parts aircraft course same applies boats cars numerous other devices thousands upon thousands solutions problems form patents would rarely see anywhere else airplane patents both utility design can roughly divided two groups far usefulness model ers concerned first group includes inventions employees large cor porations such Grumman Boeing etc ownership patent can easily ascertained looking front page last page older patentsto see assigned generally patents existing airplanes airplanes existed prototype ones reason another never saw light day usually well thought out designed would make good models too much difficulty other group airplane patents cludes creations individual inven tors working themselves can often though always spotted fact assigned company Watch out numer ous exceptions vary conventional albeit original designs wildest flights fancy terested using unusual patent basis model fact should kept mind patented inventions especially applies airplanes actually made tested fact looks some outrageous alleged flying machines hesitate call anything else can easily see no way world could actually fly proposed Some designs contradict known laws aerodynamics probably yet discovered patents unusual aircraft should dismissed too quickly some may form basis original design willing experiment extensively reward ed truly unique modelor fact invent new flying machine As examples could mention myriad flying saucer designs multiple tandem wing air craft persistent follies aeronautics attaching wings body pilot idea can traced flapping feather-studded wings 100 years ago through later propeller driven versions todays jet driven variations same quixotic scheme addition being used inspire construction patents can also serve research tools usually provide references other patents nonpatent literature describing similar designs solutions fact often finds recent 160 Model Aviation ANOTHER FL IGHT IDEA FROM EMCO Size 1-5I8x2-3l8 On-off-prop stopPre-wired Built-In fuse holderready w120 amp spade fuseyour Charge jack Small gold pin molex Connectors servo Beautiful enamel finish hardware mounting tape furnished Servo Included Specify l 1 ff-Prop Stop$2625 fl Model 2 ff only$2495 Add power resistor Model hi-low-off hi-low-prop stop Instructions included Specify E Futebe FPS 33 Tower TSS-1 0 L] Futeba FPS 20 L Airtronics 94461 Tower TSS-50 U Other mfg servo number add $2 postage & handling TX res add 5% sales tee COD add $2 Don Siegel ASTRO FLIGHT SYSTEMS & ACCESSORIES /V/L0A Electric Model Co 218 Oyster Creek Sugar Land TX 77478 713491-5878 NYLON SCREWS No fancy packaging Just great selection low prices 6-32 x 1is100 sa 832x2lOOsa 10-24 x 11/2100 ea 10-32 x 2100 ea 1/4 20 x 2120 ea /420 x 3200 ea /4-20X48000a Sifialler larger sizes also available Shipping Under $10 add $150 Over $10 Free SjIMARE COMPANY 516 Greenway Drive London KY 40741 Dealer InquIries welcome F 95 Engines Engineered Meet Demands Most Discriminating Modeler Backed Service match Engines have points easy starting carburetor linkage crankcase tapped smoke adapter SACHSDOL MAR 31 50 lIP-S lbs 11 oz 285w 31 0 Muffleri SACHSDOL MAR 37 65 HP-B lbs 15 oz 325k 34500 Muffler COBRA *KIORITZ 24*The New Standard *The Work Horse*For Giant Models *32HP-6AIbs* 31HP-5Albs * 169~* 149~ * ct Sales Only* ct Sales Only engines ready run including 6 bolt prop hub mount mounting bolts Mufflers props tanks oil spark puigs etc available extra charge ___T G MFG 857 High Mountain Rd North Haledon NJ 07508 Phone 1-201-427-3845 patent seemingly novel solution problem learns through list references cited problem has attacked different ways different inventors many years Copies patents can obtained writing Commissioner Patents Trademarks Washington DC 20231 current price $1 00/copy Questions comments concerning article can addressed author Jan P Koniarek 154 So State Rd Briarcliff Manor NY 10510 References further reading 1 AK Berle LS de Camp Inventions Patents Management D Van Nostrand Company Inc Princeton NJ 1959 2 AJ Sabin Greatest Invention Since. Pt Radio Control Modeler May 1977 p 23 3 AJ Sabin Greatest Invention Since. Pt II Radio Control Modeler June 1977 p 54 4 General Information Concerning Patents US Department Commerce Patent Trademark Office Washington DC 1983 BW gent name Bill Winter Writes column makes reading fun ramblin wakes memories makes stir As story leisurely spun Lou Roberts CL Scale/Boss Continued page 66 scale model suggested solution found Wing Tips newsletter Wingbusters MAC Hanson MA suggested use Robart similar type tires buy nextsize smaller tire install rim inside tire installed model double-thickness tires should solve flat-tire problem US FAI Scale team selection pro gram 1986 RC CL Scale World Championships has set motion appointment AMA President John Grigg John Guenther president National Association Scale Aeromodelers NASA Chairman FAI Team Selection Committee committee made up member AMA Districts date Districts 1 3 5 8 10 have named committee members urgent districts represented maximum input can given selection flying site judges support personnel date event last team selection program run NASA Louisville KY cooperation Kentucky Department State Parks Southern Indiana RC Modelers Inc addition needing committee members districts still 4& Power Panel POWER starter-pump-plug AMMETER indication plug condition ALL 12-Volt battery Battery Cord Mating Plugs Only appointed NASA would interested hearing individuals organi zations would willing assist project interested help ing project please contact AMA district VP NASA President John Guenther might also wise let NASA know plan partici pant competitor next team selec tion event way NASA will get some idea number competitors plan will also position inform directly about program details such date place fees etc finalized Send correspon dence John Guenther Box 715 RR #1 Borden IN 47106 Support scale model ing joining NASA Dues $600 yearly Send money John Guenther above address Join now Mustang Lovers received note Charles Neely Visalia CA told has considerable amount detail available models North American Mustang has threequarter inch foot drawings available four sheets 24 x 36 inches P-s lB/C models will have drawings D late K versions just about time will reading column Cost drawings $1500 per set Also included drawings set notes explaining various differences models based production location ongoing development aircraft April1985 161 3 x 5 Easy Mounting standard Power Panel shown also available two new versions smaller $2695Mn Panel flexible Dual Range P gives option 1-1/2 2 volts glow plug
Edition: Model Aviation - 1985/04
Page Numbers: 60, 61, 62, 63, 64, 160, 161
uenerui view ui pUIJIIU eeurn mimeS Patent Office section pictured US utility patents arranged class sub-class easy access Until article proposed us hadnt realized useful PTO could modeling purposes THE PATENT OFFICE formally known US Patent Trademark Office now called PTO remarkable repository materials potential interest modelers Yet some reason remains part mysterious place rarely explored known primarily because its dealings inventors inventions What seems totally underestimated public large modelers partic ular fact its files contain vast collection material potentially useful designers models tinkerers would-be inventors inventors First PTO repository US patents vast majority foreign patents ever issued alone allows unique look history aviation after seems almost anyone came out new idea probably attempted patent Second PTO has well-known fact sizable library containing old new books magazines including avia tion model airplane magazines may great help historians researchers aviation-related matters Finally marvelous information freely available public fact PTO encourages research its collec tion stating its booklets patents. ain vast wealth FOB RESUIIRCU PATENT OFFICE FILES US Patent Office little known exciting gold kinds information about flying machinesfull-size models article will serve guide PTOs resources inventors also modelers other connoisseurs aeronautics EJan P Koniarek 60 Model Aviation typical examiners search room drawers called shoes hold US foreign patents well non-patent literatureall ar ranged class sub-class public usually restricted search rooms permission can obtained access technical information suggestions organized manner will enable review closely related field interest. order make use information contained PTO files best know little about patent system its role commerce primary role PTO issue patents inventors inventions patents issued new useful non-obvious machines processes compositions matter processes involving new uses foregoing improvements above also patents issued asexually-reproduced plants unless designing flying rhododen dron little use us part two types patents interest modelers utility patents design patents Utility patents see examples granted inventions concerning some particular feature device entirely new devices previ April 1985 61 N INSN flUe Artl 34 1t 6 3437 376 fig. 47N 3a 316 16 pIN 51 I-INVUNT6 7 516 1341. p maasvmuE N thSPUSS 3316 6 U IN / N US PMt D 3MM R.N 2IMU6US Patefli F 963S1S 344371133 7 37 IJtv1rrN F41 TL J21 Ag2 111641 Two examples utility patents Notice reference numerals pointing different parts figure referenced features described patents specifications patent far ieft fora fiying wing various engine arrange ments near Edgely Optica observation aircraft Only small portion patent shown illustratIons ously unknown inventions may cover peculiar shape wing arrangement landing gear fuel tank model airplane much sample listing see Tables II first looks utility patents may seem trifle difficult under stand due fact primarily legal documents technical disclosures second Fortunately us important requirements patent granted fact invention must described such manner understood ordinary skill artmeaning Kg EATON 16 ures inven --U 16Ution described fully its operation must clear description very detailed __________________________utility patent design patent shape object illustrated description itself generally limited Ia1 INVENIflI YWiz.5 P ~34WilI 23 1463 4369938 i qIIjIN32~MULI N26W1 11THiimNcx\uH 4 L.2 FIG2 1 FIGI 0-5 FIG4 MIVAUtSU w3 a & FIG 3 34 54I 52r FIG5 Two examples design patents note Des Design preceding patent number Design patents have reference numerals usually show three-views may useful model ing patent far left guli winged glider near fora seaplane Curtiss-Wright Corporation Design patents have substantial descrip tion beyond what shown face statement invention resides shape object substantially shown difference between two types patents further emphasized fact drawings utility patents have reference numerals pointing different parts invention see example design patents rarely have numbers As far usefulness patents concerned research tool modelers 3579906the design patents will probably useful seeking new different model airplane shapes designs quite often show three-views good plans can drawn Utility patents less useful often show view entire airplane remainder illustrations focus particular feature towards invention directed may landing gear canopy arrangement engines anything else some detail construction object search utility patents will useful very rare patent will show fuselage crosssections unless invention itself Jiwa t Raaepg 6ID Ma6cav H Two examples utiiity patents dealing model airpianes far left describes fuel tank model airplane invented Robert W Kress ducted-fan fame other describes CL modei powered electric motor current carried ilnes 62 Model Aviation 7 PAIOETEDI 8853610877 miimmaut3m743 mt t vi Patents airplanes range conven tional exotic novei unuauai soiutlonstofiightcan begisaned near right isa portion patent ma neuverIng atabiiizing airpiane via ong fiexibletwin tall Departing stiil further conventional far right por tion patent VTOL airplane de signed imitate filght failing maple seed aii patents proven concepts resides peculiarities directed toward cross-sections Patent Trademark Office situated Crystal City Arlington VA Coincidentally located next National Airport quite few offices have spectacular view air field PTO easily accessible both airport downtown Washington DC Metro fact too far AMA Headquarters Reston VA location could make interesting detour visiting National Air Space Museum Library Congress Table examp 451 rtit anes nes 1001 PlO divided generally two parts public search room accessible anyone examiners section patent examiners have offices files Al patents divided class es sub-classes according subject cover pertinent classes purposes Class 244 aeronautics Class 46 toys model airplanes accessories locat ed Class D12 aircraft design patents Other separate classes deal items such engines electronics such RC gear etc class further divided sub-classes dedicat ed group inventions concentrating some specific feature public search room has US patents arranged class sub class making fairly simple find ruzIs 4 is7 United States Patent [19] Sommer et aL 34] STUUCFURAL SKIN WNSTRUCTION MATERIAlS AND M~HOD 75] Inventors je H Sstr Delnsont Msch sp Anuitni Skokie Ill 73] Assignees Jinu Disek Kent City hitch Tap Flits Medal Chicago Ill 211 ApeS No 36575 221 FiledAr4IF7 RaIsed US AwlIesIlsa Data 63j Ceanassasseaof5e No 621413 Oct tO 975 [SIJbe a364C 3/21 52]US 0214/123 46/76R 156/IS 264/342 R 264/DIG 71 421/411 428/913 58]FliddRame8244/123 117 ft 133 244/119 156/84 85 86 428/913 411 212 421 483 264/DIG 71 342 R 46/76 561 weem CIted US PATENT DOCUMENTS 3156866 6/1965 Clseys428/212 -a [II]4095760 [45]J 20 1973 32288231/1966Usala et al423/421 33886516/1961Aselrod46/76 R 34432491/1970WoItaski428/421 33785215/1971Evans156/84 396S38/1975Riboulsi 428/212 FOREIGN PATENT DOCUMENTS 657427 2/1963 Canada156/It hnsay ExansmnerGalen L Barefoot Attorney Agent FirmPrice Heneveld Huizenga & Cooper [57]ARSTRACr structural cover skin components fluidmedium craft especially foil components craft wherein layer heat shrinkable polymertc film preferably polyvinyl fluoride bonded layer heat-shrinkable polymeric film and/or fabric preferably polyester form special laminated beat shrink covering material particularly useful man flown airplanes method covering frame por tions includes encapsulatissg envelope noted material overlapped wrapping heat shrunk tautly contours frame 8 al S Doming Flasean cover patent provides much valuable information addition illustration invention included names inventor owners assignees patent assignees patent Top Flits Models Inc examiner application references cited during prosecution application show similardesignsor solutions known beforethe application patentwas made particu lar patent structure method covering wing model full-size plane April 1985 63 ingspan LASS FUSE KIT ling Area.700 sq 00 leight 78 lbsBALSA FUSE KIT Engine 9012 4cyl 800 5850 S&It DANDY flies very well 90 4stroke docile enough first low wing model 12 4stroke turns high performance pattern plane 64 wingspan top Wing 58 bottom wing DArDY II qualifies giant flying events yet small enough fit car Both kits available fiberglass Balsa fuselage foam cores come dib servo opening precut Glass Fuse/Cowl & Bellypan ision cut Foam Core WIngs Obechi veneer wing sheeting DANDY kit Complete Hardware Package & Instructions Woods complete 1odel T6 Alum Gear Balna Tail Surfaces 64GLASS FUSE KIT 1320 sq817500 910lbsBALSA FUSE KIT 9012 4cyl813500 sdd 5 Sales Tax 110 Accepted personal checks HANDS OFF CUT II Foam Wing Cutter HANDS OFF CUT II capable cutting both aides wing panel same time r wings well straight wings Just imagine after two simple ad just wents IIAITUS OFF CUT II need turn Power Supply heat cutting wire watch cut HANDS OFF HANDS OFF CUT II Invaluable tool modelers wishing cut high quality foam wing dores Ideal commercial production aa well tiaximum wing panel 8 Maximum wing cord 4 tlaxinum taper 0% recommended Fit includes necessary hardware Assembly required Includee fully illustrated instructions Ray HANDSOFT CUT II 88750 8450 Nor Products " 24 VOLT VAHIABLE OUTPIJTPOWEIT SUPPLY 5008 Sand Beach Poad 84850 S&t1 hita Falls TX 76310 Texasrem add Salso Tax 817 6924475 0 I TIDEWATER ENGR & MACH CO fLJP 0 BOX 1135BASTROP LA 71220 MICROMOTORSPHONE 318- 281-2460US DISTRIBUTOR P-21 Car SE$6500P65 Marine$9000P60 Aero SE$8500 P-21 Car RE$6500P-80 Marine$11000P-60 Aero RE$9000 P-21 Buggy SE $6500P-90 Marine$14000P-80 Aero SE$9000 P21 Buggy RE $6500P-21 Aero SE$5000P-SO Aero RE$9500 P-21 Delta$7500P-21 Aero RE$5500P45 Duct Fan$7500 P-21 Marine SE $6500P-40 Pylon RE$6500P65 Duct Fan$9500 P-21 Marine RE $6500P-40 Aero SE$5800P-SO Duct Fan$10000 P-45 Mar-Disc RV $8500P-4 Aero SE$6000Picco Caps$300 1NITROMETHANE PACKING & HANDLING $400 PICCO GLOW PLUGS $3150 Gal Plus Fr Pay Shipping ChargeI$1500IKLOTZ KL200 COD $165 CASH ONLYDOZEN$1375 Gal Plus Fr COMPETITION BOAT KITS ANDPICCO ENGINE PARTS HARDWARE IN STOCKIFOR ALL CURRENT MODELS REPLACEMENT MODEL PARTS FOR MOTOR MUGTMKraft Engines high quality totally glazedTeetori McCoy ceramic engine mug must modeler Standing 51/2 inches Talpan 40 tall large 10 RJL ENGINES capacity its real attention getter l Only definite collectors ory Source piece years come Plus $200 postageRJL INDUSTRIES d handling per orderFree Parts Catalog $695 esidents add sales taxAvailable RJL Industries ox 5654 dena CA 91107 Phone 818 359-0016 desired information example interested patents dealing dif ferent arrangements engines air plane would go Class 244 Sub class 55 sub-class dealing arrangement aircraft power plants would look through patents contained sub-class desired information As unusual some sub-classes have hundred patents finding specific informa tion can rather tedious process interested learning about scope solutions some problem such search can rewarding However public search room has serious drawback foreign patents arranged sub-class field such aeronautics may pose serious problem inventions come other countries order easily search foreign references has make use examiners search rooms examiners search rooms pri marily designed use patent examiners work patent ap plications files however open members public want search foreign references nonpatent literature such magazine articles copies old catalogs very conveniently arranged class sub-class Class 244 has rather large pro portion foreign patents non-patent literature searching examiners search rooms highly recommended What best procedure obtain ing information PTO First PTO will search anything unless course have pending application patent really no use writing telephoning asking about ideas may have get find particular design device interested best way search something PTO personally take route PTO personnel will direct proper areas search assuming have definite objec tive mind likely will assist further reason twofold lack sufficient per sonnel heavy workload per sonnel other staff public search room expert particular field rather deal best can myriad queries inventors patent practitioners sorts different disciplines seeking some specific answers best thing to visit examiner deals type inventions interested inter ested some kind airplane feature go Group 310 group deals transportation ask see examin er works area interest secretaries will help direct appropriate person Better yet Continued page 160 64 Model Aviation RC Helicopters/JOlly Continued page 157 extensive communications package can equipped XM-27 armament kit includes 762mm minigun Late 1980 Bell completed 206L Texas Ranger antitank variant designed carry four TOW missiles other weapons helicopter also fit ted roof sight FLIR laser rangefinder/designator Intended multipurpose use aircraft has Allison 250-C30 turboshaft engine Model 206 its variants have proved popular civilian military helicopters world Over 6000 have manufac tured Bell its licensees past 15 years operated non-communist nations Production continued 1981 both Bell United States Agusta Italy Larry Jolly 5501 W Como Santa Ana CA 92703 Patent Off ice/Koniarek Continued page 64 have recent patent shows device similar yours look front patent will see name names examiners issued particular patent try contact likely candidates answer questions examiners experts respective fields some have years experi ence Approaching can pro ductive choose go examin er word caution know exactly what looking avoid generali ties such airplanes two wings will find hundreds expect take too much examiners time examiners have set quota work time very valuable possi ble try make appointment before go see examiner Most phone write examiner expect ing him search something give answer phone writing will personal search PTO impos sible what alternatives engage professional searcher names searchers can found Washington DC yellow pages live away Washington area may want contact patent attorney locality may recommend someone professional searchers vary qual ity excellent poor little research looking before hiring some people usually special ists area take whatever jobs come way specific what want done dealing order avoid misunderstandings futility What kind material can found PTO files useful air craft modelers Well just about anything commercially manufactured usually patented ranges designs advanced jumbo jets smallest parts aircraft course same applies boats cars numerous other devices thousands upon thousands solutions problems form patents would rarely see anywhere else airplane patents both utility design can roughly divided two groups far usefulness model ers concerned first group includes inventions employees large cor porations such Grumman Boeing etc ownership patent can easily ascertained looking front page last page older patentsto see assigned generally patents existing airplanes airplanes existed prototype ones reason another never saw light day usually well thought out designed would make good models too much difficulty other group airplane patents cludes creations individual inven tors working themselves can often though always spotted fact assigned company Watch out numer ous exceptions vary conventional albeit original designs wildest flights fancy terested using unusual patent basis model fact should kept mind patented inventions especially applies airplanes actually made tested fact looks some outrageous alleged flying machines hesitate call anything else can easily see no way world could actually fly proposed Some designs contradict known laws aerodynamics probably yet discovered patents unusual aircraft should dismissed too quickly some may form basis original design willing experiment extensively reward ed truly unique modelor fact invent new flying machine As examples could mention myriad flying saucer designs multiple tandem wing air craft persistent follies aeronautics attaching wings body pilot idea can traced flapping feather-studded wings 100 years ago through later propeller driven versions todays jet driven variations same quixotic scheme addition being used inspire construction patents can also serve research tools usually provide references other patents nonpatent literature describing similar designs solutions fact often finds recent 160 Model Aviation ANOTHER FL IGHT IDEA FROM EMCO Size 1-5I8x2-3l8 On-off-prop stopPre-wired Built-In fuse holderready w120 amp spade fuseyour Charge jack Small gold pin molex Connectors servo Beautiful enamel finish hardware mounting tape furnished Servo Included Specify l 1 ff-Prop Stop$2625 fl Model 2 ff only$2495 Add power resistor Model hi-low-off hi-low-prop stop Instructions included Specify E Futebe FPS 33 Tower TSS-1 0 L] Futeba FPS 20 L Airtronics 94461 Tower TSS-50 U Other mfg servo number add $2 postage & handling TX res add 5% sales tee COD add $2 Don Siegel ASTRO FLIGHT SYSTEMS & ACCESSORIES /V/L0A Electric Model Co 218 Oyster Creek Sugar Land TX 77478 713491-5878 NYLON SCREWS No fancy packaging Just great selection low prices 6-32 x 1is100 sa 832x2lOOsa 10-24 x 11/2100 ea 10-32 x 2100 ea 1/4 20 x 2120 ea /420 x 3200 ea /4-20X48000a Sifialler larger sizes also available Shipping Under $10 add $150 Over $10 Free SjIMARE COMPANY 516 Greenway Drive London KY 40741 Dealer InquIries welcome F 95 Engines Engineered Meet Demands Most Discriminating Modeler Backed Service match Engines have points easy starting carburetor linkage crankcase tapped smoke adapter SACHSDOL MAR 31 50 lIP-S lbs 11 oz 285w 31 0 Muffleri SACHSDOL MAR 37 65 HP-B lbs 15 oz 325k 34500 Muffler COBRA *KIORITZ 24*The New Standard *The Work Horse*For Giant Models *32HP-6AIbs* 31HP-5Albs * 169~* 149~ * ct Sales Only* ct Sales Only engines ready run including 6 bolt prop hub mount mounting bolts Mufflers props tanks oil spark puigs etc available extra charge ___T G MFG 857 High Mountain Rd North Haledon NJ 07508 Phone 1-201-427-3845 patent seemingly novel solution problem learns through list references cited problem has attacked different ways different inventors many years Copies patents can obtained writing Commissioner Patents Trademarks Washington DC 20231 current price $1 00/copy Questions comments concerning article can addressed author Jan P Koniarek 154 So State Rd Briarcliff Manor NY 10510 References further reading 1 AK Berle LS de Camp Inventions Patents Management D Van Nostrand Company Inc Princeton NJ 1959 2 AJ Sabin Greatest Invention Since. Pt Radio Control Modeler May 1977 p 23 3 AJ Sabin Greatest Invention Since. Pt II Radio Control Modeler June 1977 p 54 4 General Information Concerning Patents US Department Commerce Patent Trademark Office Washington DC 1983 BW gent name Bill Winter Writes column makes reading fun ramblin wakes memories makes stir As story leisurely spun Lou Roberts CL Scale/Boss Continued page 66 scale model suggested solution found Wing Tips newsletter Wingbusters MAC Hanson MA suggested use Robart similar type tires buy nextsize smaller tire install rim inside tire installed model double-thickness tires should solve flat-tire problem US FAI Scale team selection pro gram 1986 RC CL Scale World Championships has set motion appointment AMA President John Grigg John Guenther president National Association Scale Aeromodelers NASA Chairman FAI Team Selection Committee committee made up member AMA Districts date Districts 1 3 5 8 10 have named committee members urgent districts represented maximum input can given selection flying site judges support personnel date event last team selection program run NASA Louisville KY cooperation Kentucky Department State Parks Southern Indiana RC Modelers Inc addition needing committee members districts still 4& Power Panel POWER starter-pump-plug AMMETER indication plug condition ALL 12-Volt battery Battery Cord Mating Plugs Only appointed NASA would interested hearing individuals organi zations would willing assist project interested help ing project please contact AMA district VP NASA President John Guenther might also wise let NASA know plan partici pant competitor next team selec tion event way NASA will get some idea number competitors plan will also position inform directly about program details such date place fees etc finalized Send correspon dence John Guenther Box 715 RR #1 Borden IN 47106 Support scale model ing joining NASA Dues $600 yearly Send money John Guenther above address Join now Mustang Lovers received note Charles Neely Visalia CA told has considerable amount detail available models North American Mustang has threequarter inch foot drawings available four sheets 24 x 36 inches P-s lB/C models will have drawings D late K versions just about time will reading column Cost drawings $1500 per set Also included drawings set notes explaining various differences models based production location ongoing development aircraft April1985 161 3 x 5 Easy Mounting standard Power Panel shown also available two new versions smaller $2695Mn Panel flexible Dual Range P gives option 1-1/2 2 volts glow plug
Edition: Model Aviation - 1985/04
Page Numbers: 60, 61, 62, 63, 64, 160, 161
uenerui view ui pUIJIIU eeurn mimeS Patent Office section pictured US utility patents arranged class sub-class easy access Until article proposed us hadnt realized useful PTO could modeling purposes THE PATENT OFFICE formally known US Patent Trademark Office now called PTO remarkable repository materials potential interest modelers Yet some reason remains part mysterious place rarely explored known primarily because its dealings inventors inventions What seems totally underestimated public large modelers partic ular fact its files contain vast collection material potentially useful designers models tinkerers would-be inventors inventors First PTO repository US patents vast majority foreign patents ever issued alone allows unique look history aviation after seems almost anyone came out new idea probably attempted patent Second PTO has well-known fact sizable library containing old new books magazines including avia tion model airplane magazines may great help historians researchers aviation-related matters Finally marvelous information freely available public fact PTO encourages research its collec tion stating its booklets patents. ain vast wealth FOB RESUIIRCU PATENT OFFICE FILES US Patent Office little known exciting gold kinds information about flying machinesfull-size models article will serve guide PTOs resources inventors also modelers other connoisseurs aeronautics EJan P Koniarek 60 Model Aviation typical examiners search room drawers called shoes hold US foreign patents well non-patent literatureall ar ranged class sub-class public usually restricted search rooms permission can obtained access technical information suggestions organized manner will enable review closely related field interest. order make use information contained PTO files best know little about patent system its role commerce primary role PTO issue patents inventors inventions patents issued new useful non-obvious machines processes compositions matter processes involving new uses foregoing improvements above also patents issued asexually-reproduced plants unless designing flying rhododen dron little use us part two types patents interest modelers utility patents design patents Utility patents see examples granted inventions concerning some particular feature device entirely new devices previ April 1985 61 N INSN flUe Artl 34 1t 6 3437 376 fig. 47N 3a 316 16 pIN 51 I-INVUNT6 7 516 1341. p maasvmuE N thSPUSS 3316 6 U IN / N US PMt D 3MM R.N 2IMU6US Patefli F 963S1S 344371133 7 37 IJtv1rrN F41 TL J21 Ag2 111641 Two examples utility patents Notice reference numerals pointing different parts figure referenced features described patents specifications patent far ieft fora fiying wing various engine arrange ments near Edgely Optica observation aircraft Only small portion patent shown illustratIons ously unknown inventions may cover peculiar shape wing arrangement landing gear fuel tank model airplane much sample listing see Tables II first looks utility patents may seem trifle difficult under stand due fact primarily legal documents technical disclosures second Fortunately us important requirements patent granted fact invention must described such manner understood ordinary skill artmeaning Kg EATON 16 ures inven --U 16Ution described fully its operation must clear description very detailed __________________________utility patent design patent shape object illustrated description itself generally limited Ia1 INVENIflI YWiz.5 P ~34WilI 23 1463 4369938 i qIIjIN32~MULI N26W1 11THiimNcx\uH 4 L.2 FIG2 1 FIGI 0-5 FIG4 MIVAUtSU w3 a & FIG 3 34 54I 52r FIG5 Two examples design patents note Des Design preceding patent number Design patents have reference numerals usually show three-views may useful model ing patent far left guli winged glider near fora seaplane Curtiss-Wright Corporation Design patents have substantial descrip tion beyond what shown face statement invention resides shape object substantially shown difference between two types patents further emphasized fact drawings utility patents have reference numerals pointing different parts invention see example design patents rarely have numbers As far usefulness patents concerned research tool modelers 3579906the design patents will probably useful seeking new different model airplane shapes designs quite often show three-views good plans can drawn Utility patents less useful often show view entire airplane remainder illustrations focus particular feature towards invention directed may landing gear canopy arrangement engines anything else some detail construction object search utility patents will useful very rare patent will show fuselage crosssections unless invention itself Jiwa t Raaepg 6ID Ma6cav H Two examples utiiity patents dealing model airpianes far left describes fuel tank model airplane invented Robert W Kress ducted-fan fame other describes CL modei powered electric motor current carried ilnes 62 Model Aviation 7 PAIOETEDI 8853610877 miimmaut3m743 mt t vi Patents airplanes range conven tional exotic novei unuauai soiutlonstofiightcan begisaned near right isa portion patent ma neuverIng atabiiizing airpiane via ong fiexibletwin tall Departing stiil further conventional far right por tion patent VTOL airplane de signed imitate filght failing maple seed aii patents proven concepts resides peculiarities directed toward cross-sections Patent Trademark Office situated Crystal City Arlington VA Coincidentally located next National Airport quite few offices have spectacular view air field PTO easily accessible both airport downtown Washington DC Metro fact too far AMA Headquarters Reston VA location could make interesting detour visiting National Air Space Museum Library Congress Table examp 451 rtit anes nes 1001 PlO divided generally two parts public search room accessible anyone examiners section patent examiners have offices files Al patents divided class es sub-classes according subject cover pertinent classes purposes Class 244 aeronautics Class 46 toys model airplanes accessories locat ed Class D12 aircraft design patents Other separate classes deal items such engines electronics such RC gear etc class further divided sub-classes dedicat ed group inventions concentrating some specific feature public search room has US patents arranged class sub class making fairly simple find ruzIs 4 is7 United States Patent [19] Sommer et aL 34] STUUCFURAL SKIN WNSTRUCTION MATERIAlS AND M~HOD 75] Inventors je H Sstr Delnsont Msch sp Anuitni Skokie Ill 73] Assignees Jinu Disek Kent City hitch Tap Flits Medal Chicago Ill 211 ApeS No 36575 221 FiledAr4IF7 RaIsed US AwlIesIlsa Data 63j Ceanassasseaof5e No 621413 Oct tO 975 [SIJbe a364C 3/21 52]US 0214/123 46/76R 156/IS 264/342 R 264/DIG 71 421/411 428/913 58]FliddRame8244/123 117 ft 133 244/119 156/84 85 86 428/913 411 212 421 483 264/DIG 71 342 R 46/76 561 weem CIted US PATENT DOCUMENTS 3156866 6/1965 Clseys428/212 -a [II]4095760 [45]J 20 1973 32288231/1966Usala et al423/421 33886516/1961Aselrod46/76 R 34432491/1970WoItaski428/421 33785215/1971Evans156/84 396S38/1975Riboulsi 428/212 FOREIGN PATENT DOCUMENTS 657427 2/1963 Canada156/It hnsay ExansmnerGalen L Barefoot Attorney Agent FirmPrice Heneveld Huizenga & Cooper [57]ARSTRACr structural cover skin components fluidmedium craft especially foil components craft wherein layer heat shrinkable polymertc film preferably polyvinyl fluoride bonded layer heat-shrinkable polymeric film and/or fabric preferably polyester form special laminated beat shrink covering material particularly useful man flown airplanes method covering frame por tions includes encapsulatissg envelope noted material overlapped wrapping heat shrunk tautly contours frame 8 al S Doming Flasean cover patent provides much valuable information addition illustration invention included names inventor owners assignees patent assignees patent Top Flits Models Inc examiner application references cited during prosecution application show similardesignsor solutions known beforethe application patentwas made particu lar patent structure method covering wing model full-size plane April 1985 63 ingspan LASS FUSE KIT ling Area.700 sq 00 leight 78 lbsBALSA FUSE KIT Engine 9012 4cyl 800 5850 S&It DANDY flies very well 90 4stroke docile enough first low wing model 12 4stroke turns high performance pattern plane 64 wingspan top Wing 58 bottom wing DArDY II qualifies giant flying events yet small enough fit car Both kits available fiberglass Balsa fuselage foam cores come dib servo opening precut Glass Fuse/Cowl & Bellypan ision cut Foam Core WIngs Obechi veneer wing sheeting DANDY kit Complete Hardware Package & Instructions Woods complete 1odel T6 Alum Gear Balna Tail Surfaces 64GLASS FUSE KIT 1320 sq817500 910lbsBALSA FUSE KIT 9012 4cyl813500 sdd 5 Sales Tax 110 Accepted personal checks HANDS OFF CUT II Foam Wing Cutter HANDS OFF CUT II capable cutting both aides wing panel same time r wings well straight wings Just imagine after two simple ad just wents IIAITUS OFF CUT II need turn Power Supply heat cutting wire watch cut HANDS OFF HANDS OFF CUT II Invaluable tool modelers wishing cut high quality foam wing dores Ideal commercial production aa well tiaximum wing panel 8 Maximum wing cord 4 tlaxinum taper 0% recommended Fit includes necessary hardware Assembly required Includee fully illustrated instructions Ray HANDSOFT CUT II 88750 8450 Nor Products " 24 VOLT VAHIABLE OUTPIJTPOWEIT SUPPLY 5008 Sand Beach Poad 84850 S&t1 hita Falls TX 76310 Texasrem add Salso Tax 817 6924475 0 I TIDEWATER ENGR & MACH CO fLJP 0 BOX 1135BASTROP LA 71220 MICROMOTORSPHONE 318- 281-2460US DISTRIBUTOR P-21 Car SE$6500P65 Marine$9000P60 Aero SE$8500 P-21 Car RE$6500P-80 Marine$11000P-60 Aero RE$9000 P-21 Buggy SE $6500P-90 Marine$14000P-80 Aero SE$9000 P21 Buggy RE $6500P-21 Aero SE$5000P-SO Aero RE$9500 P-21 Delta$7500P-21 Aero RE$5500P45 Duct Fan$7500 P-21 Marine SE $6500P-40 Pylon RE$6500P65 Duct Fan$9500 P-21 Marine RE $6500P-40 Aero SE$5800P-SO Duct Fan$10000 P-45 Mar-Disc RV $8500P-4 Aero SE$6000Picco Caps$300 1NITROMETHANE PACKING & HANDLING $400 PICCO GLOW PLUGS $3150 Gal Plus Fr Pay Shipping ChargeI$1500IKLOTZ KL200 COD $165 CASH ONLYDOZEN$1375 Gal Plus Fr COMPETITION BOAT KITS ANDPICCO ENGINE PARTS HARDWARE IN STOCKIFOR ALL CURRENT MODELS REPLACEMENT MODEL PARTS FOR MOTOR MUGTMKraft Engines high quality totally glazedTeetori McCoy ceramic engine mug must modeler Standing 51/2 inches Talpan 40 tall large 10 RJL ENGINES capacity its real attention getter l Only definite collectors ory Source piece years come Plus $200 postageRJL INDUSTRIES d handling per orderFree Parts Catalog $695 esidents add sales taxAvailable RJL Industries ox 5654 dena CA 91107 Phone 818 359-0016 desired information example interested patents dealing dif ferent arrangements engines air plane would go Class 244 Sub class 55 sub-class dealing arrangement aircraft power plants would look through patents contained sub-class desired information As unusual some sub-classes have hundred patents finding specific informa tion can rather tedious process interested learning about scope solutions some problem such search can rewarding However public search room has serious drawback foreign patents arranged sub-class field such aeronautics may pose serious problem inventions come other countries order easily search foreign references has make use examiners search rooms examiners search rooms pri marily designed use patent examiners work patent ap plications files however open members public want search foreign references nonpatent literature such magazine articles copies old catalogs very conveniently arranged class sub-class Class 244 has rather large pro portion foreign patents non-patent literature searching examiners search rooms highly recommended What best procedure obtain ing information PTO First PTO will search anything unless course have pending application patent really no use writing telephoning asking about ideas may have get find particular design device interested best way search something PTO personally take route PTO personnel will direct proper areas search assuming have definite objec tive mind likely will assist further reason twofold lack sufficient per sonnel heavy workload per sonnel other staff public search room expert particular field rather deal best can myriad queries inventors patent practitioners sorts different disciplines seeking some specific answers best thing to visit examiner deals type inventions interested inter ested some kind airplane feature go Group 310 group deals transportation ask see examin er works area interest secretaries will help direct appropriate person Better yet Continued page 160 64 Model Aviation RC Helicopters/JOlly Continued page 157 extensive communications package can equipped XM-27 armament kit includes 762mm minigun Late 1980 Bell completed 206L Texas Ranger antitank variant designed carry four TOW missiles other weapons helicopter also fit ted roof sight FLIR laser rangefinder/designator Intended multipurpose use aircraft has Allison 250-C30 turboshaft engine Model 206 its variants have proved popular civilian military helicopters world Over 6000 have manufac tured Bell its licensees past 15 years operated non-communist nations Production continued 1981 both Bell United States Agusta Italy Larry Jolly 5501 W Como Santa Ana CA 92703 Patent Off ice/Koniarek Continued page 64 have recent patent shows device similar yours look front patent will see name names examiners issued particular patent try contact likely candidates answer questions examiners experts respective fields some have years experi ence Approaching can pro ductive choose go examin er word caution know exactly what looking avoid generali ties such airplanes two wings will find hundreds expect take too much examiners time examiners have set quota work time very valuable possi ble try make appointment before go see examiner Most phone write examiner expect ing him search something give answer phone writing will personal search PTO impos sible what alternatives engage professional searcher names searchers can found Washington DC yellow pages live away Washington area may want contact patent attorney locality may recommend someone professional searchers vary qual ity excellent poor little research looking before hiring some people usually special ists area take whatever jobs come way specific what want done dealing order avoid misunderstandings futility What kind material can found PTO files useful air craft modelers Well just about anything commercially manufactured usually patented ranges designs advanced jumbo jets smallest parts aircraft course same applies boats cars numerous other devices thousands upon thousands solutions problems form patents would rarely see anywhere else airplane patents both utility design can roughly divided two groups far usefulness model ers concerned first group includes inventions employees large cor porations such Grumman Boeing etc ownership patent can easily ascertained looking front page last page older patentsto see assigned generally patents existing airplanes airplanes existed prototype ones reason another never saw light day usually well thought out designed would make good models too much difficulty other group airplane patents cludes creations individual inven tors working themselves can often though always spotted fact assigned company Watch out numer ous exceptions vary conventional albeit original designs wildest flights fancy terested using unusual patent basis model fact should kept mind patented inventions especially applies airplanes actually made tested fact looks some outrageous alleged flying machines hesitate call anything else can easily see no way world could actually fly proposed Some designs contradict known laws aerodynamics probably yet discovered patents unusual aircraft should dismissed too quickly some may form basis original design willing experiment extensively reward ed truly unique modelor fact invent new flying machine As examples could mention myriad flying saucer designs multiple tandem wing air craft persistent follies aeronautics attaching wings body pilot idea can traced flapping feather-studded wings 100 years ago through later propeller driven versions todays jet driven variations same quixotic scheme addition being used inspire construction patents can also serve research tools usually provide references other patents nonpatent literature describing similar designs solutions fact often finds recent 160 Model Aviation ANOTHER FL IGHT IDEA FROM EMCO Size 1-5I8x2-3l8 On-off-prop stopPre-wired Built-In fuse holderready w120 amp spade fuseyour Charge jack Small gold pin molex Connectors servo Beautiful enamel finish hardware mounting tape furnished Servo Included Specify l 1 ff-Prop Stop$2625 fl Model 2 ff only$2495 Add power resistor Model hi-low-off hi-low-prop stop Instructions included Specify E Futebe FPS 33 Tower TSS-1 0 L] Futeba FPS 20 L Airtronics 94461 Tower TSS-50 U Other mfg servo number add $2 postage & handling TX res add 5% sales tee COD add $2 Don Siegel ASTRO FLIGHT SYSTEMS & ACCESSORIES /V/L0A Electric Model Co 218 Oyster Creek Sugar Land TX 77478 713491-5878 NYLON SCREWS No fancy packaging Just great selection low prices 6-32 x 1is100 sa 832x2lOOsa 10-24 x 11/2100 ea 10-32 x 2100 ea 1/4 20 x 2120 ea /420 x 3200 ea /4-20X48000a Sifialler larger sizes also available Shipping Under $10 add $150 Over $10 Free SjIMARE COMPANY 516 Greenway Drive London KY 40741 Dealer InquIries welcome F 95 Engines Engineered Meet Demands Most Discriminating Modeler Backed Service match Engines have points easy starting carburetor linkage crankcase tapped smoke adapter SACHSDOL MAR 31 50 lIP-S lbs 11 oz 285w 31 0 Muffleri SACHSDOL MAR 37 65 HP-B lbs 15 oz 325k 34500 Muffler COBRA *KIORITZ 24*The New Standard *The Work Horse*For Giant Models *32HP-6AIbs* 31HP-5Albs * 169~* 149~ * ct Sales Only* ct Sales Only engines ready run including 6 bolt prop hub mount mounting bolts Mufflers props tanks oil spark puigs etc available extra charge ___T G MFG 857 High Mountain Rd North Haledon NJ 07508 Phone 1-201-427-3845 patent seemingly novel solution problem learns through list references cited problem has attacked different ways different inventors many years Copies patents can obtained writing Commissioner Patents Trademarks Washington DC 20231 current price $1 00/copy Questions comments concerning article can addressed author Jan P Koniarek 154 So State Rd Briarcliff Manor NY 10510 References further reading 1 AK Berle LS de Camp Inventions Patents Management D Van Nostrand Company Inc Princeton NJ 1959 2 AJ Sabin Greatest Invention Since. Pt Radio Control Modeler May 1977 p 23 3 AJ Sabin Greatest Invention Since. Pt II Radio Control Modeler June 1977 p 54 4 General Information Concerning Patents US Department Commerce Patent Trademark Office Washington DC 1983 BW gent name Bill Winter Writes column makes reading fun ramblin wakes memories makes stir As story leisurely spun Lou Roberts CL Scale/Boss Continued page 66 scale model suggested solution found Wing Tips newsletter Wingbusters MAC Hanson MA suggested use Robart similar type tires buy nextsize smaller tire install rim inside tire installed model double-thickness tires should solve flat-tire problem US FAI Scale team selection pro gram 1986 RC CL Scale World Championships has set motion appointment AMA President John Grigg John Guenther president National Association Scale Aeromodelers NASA Chairman FAI Team Selection Committee committee made up member AMA Districts date Districts 1 3 5 8 10 have named committee members urgent districts represented maximum input can given selection flying site judges support personnel date event last team selection program run NASA Louisville KY cooperation Kentucky Department State Parks Southern Indiana RC Modelers Inc addition needing committee members districts still 4& Power Panel POWER starter-pump-plug AMMETER indication plug condition ALL 12-Volt battery Battery Cord Mating Plugs Only appointed NASA would interested hearing individuals organi zations would willing assist project interested help ing project please contact AMA district VP NASA President John Guenther might also wise let NASA know plan partici pant competitor next team selec tion event way NASA will get some idea number competitors plan will also position inform directly about program details such date place fees etc finalized Send correspon dence John Guenther Box 715 RR #1 Borden IN 47106 Support scale model ing joining NASA Dues $600 yearly Send money John Guenther above address Join now Mustang Lovers received note Charles Neely Visalia CA told has considerable amount detail available models North American Mustang has threequarter inch foot drawings available four sheets 24 x 36 inches P-s lB/C models will have drawings D late K versions just about time will reading column Cost drawings $1500 per set Also included drawings set notes explaining various differences models based production location ongoing development aircraft April1985 161 3 x 5 Easy Mounting standard Power Panel shown also available two new versions smaller $2695Mn Panel flexible Dual Range P gives option 1-1/2 2 volts glow plug