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Patents > IPCs : IPC B64C13/00 or IPC B64C17/00 or IPC B64C39/04

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Office:
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Tech fields:
stability (385) · airplane (346) · automatic stability (169) · control (161) · design (102) · None (84) · Aerodynamics (78) · wings (64) · frame (63) · equilibrium (59) · steering (57) · subsystem (54) · rudder (54) · construction (39) · lift (34) · pendulum (31) · navigation (24) · balance (20) · Propellers (20)
Full specification filed date:
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Supplementary to patent:
None (450) · Patent FR-1908-396249 (5) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1910-415470 (3) · Patent FR-1912-442419 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent GB-1909-8531 (3)
Related to aircraft:
Patent agent:
None (139) · None (36) · Armengaud jeune (35) · Marks & Clerk (20) · E. Blétry (17) · Charles Dony (12) · Weismann et Marx (12) · Haseltine, Lake & Co. (12) · J. Bonnet-Thirion (11) · J. Germain (10) · P. Follin (10) · Matray frères et Cie (10) · Abel & Imray (10) · Lavoix et Mosès (9) · L. Chassevent (8) · Brandon frères (8) · Boult, Wade & Tennant (8) · Brewer & Son (8) · Hippolyte Josse (8)
National tech categories:
FR 6.4 (409) · None (210) · DE 77h.5 (29) · USPC 244/80 (11) · USPC 244/233 (8) · USPC 244/234 (7) · USPC 244/231 (5) · FR 6.3 (4) · USPC 244/93 (3) · USPC 244/87 (3) · USPC 244/82 (3) · USPC 244/237 (3) · USPC 244/225 (3) · DE 62b.15 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (526) · CPC B64C2700/6218 (185) · CPC B64C13/00 (169) · CPC B64C2700/6212 (119) · CPC B64C2700/6256 (105) · CPC B64C2700/6214 (67) · CPC B64C2700/6219 (35) · CPC B64C2700/6215 (16) · CPC B64C2700/6259 (7) · CPC B64C1/00 (6) · CPC B64C2700/6211 (5) · CPC B64C3/48 (3) · CPC B64C39/04 (3) · CPC H03B7/10 (2) · CPC B64C3/38 (2) · CPC B64C2700/626 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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