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Patents > Year filed: 1911 & Number of claims: 2-4

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Year filed:
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Applicant is inventor:
Tech fields:
None (109) · airplane (83) · stability (58) · frame (42) · design (38) · subsystem (36) · construction (32) · LTA (26) · wings (24) · propulsion (20) · propellers (19) · control (17) · landing (14) · propeller (13) · navigation (13) · airship (13) · automatic stability (13) · steering (12) · aerodynamics (12) · rudder (12)
Full specification filed date:
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Supplementary to patent:
None (239)
Related to aircraft:
Patent agent:
None (69) · Armengaud jeune (20) · L. Chassevent (12) · Dupont et Elluin (10) · None (9) · Marks & Clerk (8) · Haseltine, Lake & Co. (8) · Schwab (6) · Munn & Co. (6) · E. Blétry (6) · Victor J. Evans (5) · Johnsons & Willcox (5) · Hippolyte Josse (5) · Charles Dony (4) · Boult, Wade & Tennant (4) · Paul Caquet (4) · J. Bonnet-Thirion (4) · Rigot et Prévost (4) · Brandon frères (4)
National tech categories:
FR 6.4 (123) · None (94) · HU V/h (17) · AT 77d (11) · USPC 244/80 (5) · USPC 244/233 (4) · USPC 244/39 (3) · USPC 244/76R (3) · USPC 244/177 (3)
IPCs:
None (125) · IPC B64C1/00 (32) · IPC B64C17/00 (29) · IPC B64C39/00 (19) · IPC B64C17/06 (13) · IPC B64C11/00 (12) · IPC B64C25/00 (11) · IPC B64C3/38 (8) · IPC B64B1/00 (7) · IPC B64C23/00 (6) · IPC B64C13/00 (6) · IPC B64C3/00 (5) · IPC B64C3/56 (5) · IPC B64C3/54 (5) · IPC B64B1/58 (5) · IPC B64C33/02 (5) · IPC B64D17/00 (5)
CPCs:
None (47) · CPC B64C17/00 (37) · CPC B64C39/00 (16) · CPC B64C2700/6295 (14) · CPC B64C13/00 (13) · CPC B64C11/006 (13) · CPC B64C17/06 (13) · CPC B64B1/00 (11) · CPC B64C3/385 (11) · CPC B64C2700/6216 (9) · CPC B64C2700/6212 (9) · CPC B64F2700/6226 (9) · CPC B64C23/005 (9) · CPC B64C1/00 (8) · CPC B64C33/02 (7) · CPC B64C39/005 (7)
First filing:
Citations from after 1930:
Number of claims:
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