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Patents > CPCs : CPC B64C2700/6256 or CPC B64C39/00 or CPC Y10T74/1221

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Tech fields:
None (340) · Airplane (215) · design (117) · frame (81) · control (78) · stability (75) · wings (62) · Construction (56) · Aerodynamics (49) · propellers (47) · steering (44) · propulsion (40) · lift (40) · rudder (31) · whole (27) · Fuselage (26) · navigation (25) · Chassis (23) · sustentation (23) · subsystem (21)
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Supplementary to patent:
None (568) · Patent FR-1916-502839 (3) · Patent US-1910-996592 (3)
Related to aircraft:
Patent agent:
None (342) · Armengaud jeune (27) · None (24) · Marks & Clerk (18) · Weismann et Marx (13) · Brewer & Son (10) · J. Bonnet-Thirion (9) · Boult, Wade & Tennant (9) · E. Blétry (8) · Brandon frères (8) · L. Chassevent (7) · J. Germain (7) · Y. Rabilloud et fils (7) · Haseltine, Lake & Co. (6) · Charles Dony (6)
National tech categories:
None (411) · FR 6.4 (272) · DE 77h.5 (9) · FR 6.3 (6) · USPC 244/13 (4) · USPC 244/90R (3) · USPC 244/91 (3) · USPC 244/79 (3) · FR 6.1 (2) · USPC 244/231 (2) · USPC 244/113 (2)
CPCs: (Click arrow to add another value)
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