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Patents > IPCs : IPC B64C27/04 or IPC B64C33/00 or IPC B64C39/00 & Number of claims: 1-2

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Tech fields:
airplane (78) · design (64) · propulsion (46) · None (45) · Propellers (40) · helicopter (31) · frame (28) · Wings (28) · Construction (23) · stability (21) · Aerodynamics (20) · Lift (19) · Control (19) · hybrid (18) · Ascension (16) · rudder (15) · Heavier-than-air (13) · whole (13)
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None (22)
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Supplementary to patent:
None (170) · Patent FR-1912-441089 (2) · Patent US-1911-1011761 (2) · Patent FR-1915-478440 (2)
Related to aircraft:
Patent agent:
None (47) · None (27) · Armengaud jeune (12) · J. Germain (11) · Y. Rabilloud et fils (10) · J. Bonnet-Thirion (8) · Brandon frères (7) · Weismann et Marx (6) · C. Blétry (5) · G. de Mestral et F. Harlé (4) · Boramé et Julien (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (129) · CPC B64C2700/6295 (102) · CPC B64C2700/6281 (45) · CPC B64C27/04 (29) · CPC B64C33/00 (21) · CPC B64C39/005 (16) · CPC B64C39/08 (13) · CPC B64C27/12 (11) · CPC B64C39/008 (9) · CPC B64C39/003 (7) · CPC B64C39/006 (6) · CPC B64C27/20 (5) · CPC B64C27/52 (4)
First filing:
Citations from after 1930:
Number of text pages:
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