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Patents > IPCs : IPC B64C1/00 or IPC B64C25/36 or IPC B64C3/18

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Tech fields:
stability (278) · airplane (267) · automatic stability (119) · design (107) · frame (88) · construction (83) · aerodynamics (70) · None (57) · wings (57) · control (56) · equilibrium (44) · fuselage (43) · Subsystem (42) · gyroscope (37) · Lift (27) · Rudder (24) · Sustentation (18) · steering (18) · propellers (17) · structure (17)
Full specification filed date:
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Supplementary to patent:
None (342) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent GB-1909-8531 (3) · Patent FR-1917-504302 (3) · Patent FR-1910-435648 (3)
Related to aircraft:
Patent agent:
None (112) · None (37) · Armengaud jeune (28) · Boult, Wade & Tennant (13) · Haseltine, Lake & Co. (11) · J. Bonnet-Thirion (11) · Charles Dony (10) · J. Germain (10) · E. Blétry (9) · Herbert Haddan & Co. (8) · Hippolyte Josse (8) · Schwab (7) · Lavoix et Mosès (7) · de Bongé (7)
National tech categories:
FR 6.4 (314) · None (183) · DE 77h.5 (20) · USPC 244/119 (5) · CH 129b (2) · FR 6.3 (2) · USPC 244/177 (2) · USPC 244/79 (2) · FR 7.1 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (280) · CPC B64C2700/6218 (193) · CPC B64C1/00 (82) · CPC B64C17/06 (73) · CPC B64C2700/6216 (52) · CPC B64C3/18 (42) · CPC B64C2700/6219 (37) · CPC B64C2700/6228 (31) · CPC B64C2001/0063 (29) · CPC B64C3/185 (27) · CPC B64C2001/0081 (18) · CPC B64C2700/6225 (10) · CPC B64C1/061 (9) · CPC B64C3/00 (7) · CPC B64C17/04 (7) · CPC B64C1/06 (6) · CPC B64C1/068 (6)
First filing:
Citations from after 1930:
Number of diagram pages:

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