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Patents > IPCs : IPC B64C3/38 or IPC B64C39/00 or IPC CPC B64C13/00 & Citations from after 1930: None

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Office:
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Tech fields:
airplane (271) · design (150) · wings (96) · Frame (95) · stability (82) · propulsion (78) · None (78) · control (73) · construction (72) · propellers (66) · aerodynamics (61) · Navigation (59) · lift (51) · Sustentation (37) · whole (35) · fuselage (34) · rudder (33) · steering (25) · subsystem (25) · chassis (25)
Full specification filed date:
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Supplementary to patent:
None (365) · Patent FR-1908-392672 (4) · Patent FR-1916-502839 (4) · Patent US-1910-996592 (3) · Patent US-1916-1208684 (3) · Patent FR-1912-449167 (3)
Related to aircraft:
Patent agent:
None (142) · Armengaud jeune (32) · None (30) · Marks & Clerk (14) · J. Bonnet-Thirion (12) · E. Blétry (11) · Weismann et Marx (10) · Haseltine, Lake & Co. (10) · J. Germain (8) · G. de Mestral et F. Harle (8) · Charles Assi (8) · Brandon frères (8) · L. Chassevent (7) · Boramé et Julien (7) · Y. Rabilloud et fils (7) · Boult, Wade & Tennant (6)
National tech categories:
FR 6.4 (307) · None (158) · DE 77h.5 (19) · FR 6.3 (11) · USPC 244/45R (8) · USPC 244/13 (7) · DE 77h.11 (6) · USPC 244/233 (5) · FR 6.2 (4) · USPC 244/48 (4) · USPC 244/90R (4) · USPC 244/80 (3) · DE 77 (3) · USPC 244/27 (3) · USPC 244/78.1 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (267) · CPC B64C2700/6295 (210) · CPC B64C3/385 (91) · CPC B64C39/005 (50) · CPC B64C13/00 (36) · CPC B64C39/08 (26) · CPC B64C39/008 (23) · CPC B64C3/38 (22) · CPC B64C39/003 (18) · CPC B64C2700/6256 (14) · CPC B64C39/006 (11) · CPC B64C3/42 (5) · None (5) · CPC Y02T50/145 (4) · CPC B64C39/06 (4) · CPC B64C17/00 (3) · CPC B64C3/56 (3) · CPC B64C2700/6242 (3) · CPC Y02T50/10 (3) · CPC B64C2700/6259 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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