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Patents > IPCs : IPC B64C3/38 or IPC B64C35/00 or IPC B64C39/08

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Tech fields:
airplane (138) · None (81) · design (70) · hydroaeroplane (62) · frame (55) · wings (42) · hydroplane (41) · control (36) · construction (30) · stability (29) · landing (27) · aerodynamics (22) · fuselage (21) · hybrid (20) · navigation (20) · marine (19) · takeoff (18) · chassis (18) · wheels (17)
Full specification filed date:
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Supplementary to patent:
None (236) · Patent GB-1911-29012 (8) · Patent FR-1916-493411 (3) · Patent FR-1910-426487 (3) · Patent GB-1912-29012.15939 (3) · Patent FR-1912-446818 (3) · Patent FR-1912-449167 (3) · Patent FR-1912-452017 (3) · Patent FR-1912-455471 (3) · Patent FR-1908-392672 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent BE-1912-02-27 Caudron (3)
Related to aircraft:
Patent agent:
None (72) · Armengaud jeune (18) · None (15) · Boult, Wade & Tennant (9) · Marks & Clerk (9) · Brewer & Son (8) · Dom. Casalonga (7) · E. Blétry (7) · Charles Dony (6) · Brandon frères (6) · J. Bonnet-Thirion et Breton (6) · L. Chassevent (6) · J. Bonnet-Thirion (6) · J. S. Withers & Spooner (6) · Louis Tailfer (5) · Abel & Imray (5) · Haseltine, Lake & Co. (5) · Weismann et Marx (5)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C35/00 (153) · CPC B64C3/385 (150) · CPC B64F2700/6261 (33) · CPC B64C3/38 (25) · CPC B64F2700/6296 (17) · CPC B64F2700/628 (14) · CPC B64C39/08 (13) · CPC B64C35/008 (12) · CPC B64F2700/6276 (8) · CPC B64F2700/6292 (7) · CPC B64F2700/6265 (7) · CPC B64C35/001 (6) · CPC B64F2700/6284 (5) · IPC B64C35/00 (5) · CPC B64C2700/6295 (5) · CPC B64F2700/6288 (4) · CPC Y02T50/145 (4) · None (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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