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Patents > Patent agent : Armengaud jeune or Brandon frères or Haseltine, Lake & Co.

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Tech fields:
airplane (206) · design (120) · frame (95) · stability (94) · construction (89) · wings (82) · LTA (78) · aerodynamics (58) · propulsion (57) · control (52) · propellers (51) · lift (48) · navigation (39) · automatic stability (32) · None (32) · sustentation (30) · landing (27) · subsystem (26) · chassis (24) · rudder (23)
Full specification filed date:
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Supplementary to patent:
None (278) · Patent FR-1907-373818 (12) · Patent FR-1908-392672 (10) · Patent FR-1908-405961 (5) · Patent FR-1906-366080 (5) · Patent AT-1911-57225 (4) · Patent GB-1911-29012 (4) · Patent FR-1910-414695 (3) · Patent FR-1913-472867 (3) · Patent FR-1912-452017 (3) · Patent FR-1913-467415 (3)
Related to aircraft:
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IPCs:
None (64) · IPC B64C17/00 (38) · IPC B64C1/00 (36) · IPC B64B1/00 (31) · IPC B64C39/00 (30) · IPC B64C13/00 (15) · IPC B64C3/00 (15) · IPC B64C3/38 (14) · IPC B64C11/00 (14) · IPC B64C35/00 (14) · IPC B64C3/54 (14) · IPC B64C25/00 (11) · IPC B64B1/58 (11) · IPC B64C11/04 (10) · IPC B64C17/06 (9) · IPC B64C3/52 (8) · IPC B64C27/04 (8) · IPC B64C33/02 (7) · IPC B64C3/18 (7)
CPCs:
None (49) · CPC B64C17/00 (41) · CPC B64B1/00 (33) · CPC B64C39/00 (26) · CPC B64C13/00 (23) · CPC B64C2700/6295 (18) · CPC B64C3/00 (15) · CPC B64C2700/6218 (15) · CPC B64C3/385 (13) · CPC B64C3/54 (12) · CPC B64B1/58 (12) · CPC B64C2700/6256 (12) · CPC B64C11/006 (11) · CPC B64C11/04 (11) · CPC B64C25/06 (10) · CPC B64C1/00 (9) · CPC B64C17/06 (9) · CPC B64C2700/6214 (9) · CPC B64C35/00 (9)
First filing:
Citations from after 1930:
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