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Patents > IPCs : IPC B64B1/62 or IPC B64C3/00 or IPC B64C39/00 & Number of claims: 1-2

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Tech fields:
airplane (105) · design (75) · None (62) · frame (53) · construction (44) · wings (38) · propulsion (35) · LTA (29) · Propellers (28) · Aerodynamics (25) · stability (20) · Lift (19) · fuselage (19) · Control (17) · monoplane (15) · subsystem (15) · sustentation (13) · rudder (13) · navigation (12)
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Supplementary to patent:
None (197) · Patent FR-1911-429224 (3) · Patent FR-1912-441089 (2) · Patent FR-1908-397350 (2) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (2) · Patent FR-1911-428217 (2)
Related to aircraft:
Patent agent:
None (65) · None (23) · Armengaud jeune (13) · J. Bonnet-Thirion (12) · J. Germain (10) · Lavoix et Mosès (10) · Y. Rabilloud et fils (7) · Weismann et Marx (6) · Marks & Clerk (6) · Boramé et Julien (5) · Brandon frères (5) · G. de Mestral et F. Harlé (4) · Dupont et Elluin (4) · Dom. Casalonga (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (129) · CPC B64C2700/6295 (102) · CPC B64C3/00 (89) · CPC B64C2700/6235 (42) · CPC B64C2700/6233 (26) · CPC B64B1/62 (18) · CPC B64C39/005 (16) · CPC B64C39/08 (13) · CPC B64C39/008 (8) · CPC B64C39/003 (7) · CPC B64C39/006 (6) · CPC B64C3/385 (3) · None (3)
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Citations from after 1930:
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