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Patents > IPCs : IPC B64C1/00 or IPC B64C25/60 or IPC B64C33/02

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Office:
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Tech fields:
None (260) · stability (186) · airplane (159) · automatic stability (57) · frame (53) · wings (49) · Design (49) · flapping (47) · control (40) · construction (36) · Subsystem (35) · propulsion (34) · Aerodynamics (30) · gyroscope (27) · equilibrium (27) · ornithopter (26) · fuselage (26) · navigation (24) · rudder (20)
Full specification filed date:
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Granted:
Supplementary to patent:
None (423) · Patent FR-1912-446040 (4) · Patent BE-1910-12-28-Muehter (3) · Patent FR-1910-435648 (3) · Patent GB-1909-8531 (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
Patent agent:
None (156) · None (40) · Armengaud jeune (30) · Haseltine, Lake & Co. (12) · Boult, Wade & Tennant (12) · Schwab (12) · J. Bonnet-Thirion (11) · Marks & Clerk (11) · E. Blétry (11) · Charles Dony (10) · Hippolyte Josse (9) · J. Germain (9) · Herbert Haddan & Co. (8) · Lavoix et Mosès (8) · P. Follin (7) · Brandon frères (7) · Dom. Casalonga (7) · de Bongé (7)
National tech categories:
FR 6.4 (387) · None (181) · DE 77h.10 (24) · DE 77h.5 (14) · DE 77 (13) · FR 6.3 (11) · USPC 244/22 (9) · USPC 244/72 (6) · USPC 244/119 (5) · DE 77h (2) · USPC 244/79 (2) · USPC 244/177 (2) · FR 6.2 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (295) · CPC B64C2700/6218 (204) · CPC B64C33/02 (164) · CPC B64C1/00 (88) · CPC B64C17/06 (72) · CPC B64C2700/6216 (51) · CPC B64C2700/6219 (37) · CPC B64C2700/6228 (35) · CPC B64C2001/0063 (30) · CPC B64C2001/0081 (19) · CPC B64C25/60 (11) · CPC B64C1/061 (10) · CPC B64C2700/6225 (10) · None (8) · CPC B64C17/04 (7) · CPC B64C1/06 (6) · CPC B64C1/068 (6) · CPC B64C1/08 (5) · CPC B64C2700/6223 (5) · CPC B64C2700/6204 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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