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Patents > Office: FR & Number of claims: 4-5

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Office: (Click arrow to add another value)
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Tech fields:
None (170) · airplane (96) · stability (43) · design (37) · wings (34) · frame (34) · LTA (33) · propulsion (29) · Construction (28) · aerodynamics (26) · navigation (20) · Control (19) · sustentation (18) · lift (18) · Subsystem (15) · propellers (15) · Hybrid (14) · Steering (12) · landing (12) · airship (11)
Full specification filed date:
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Supplementary to patent:
None (239) · Patent FR-1909-403418 (3) · Patent FR-1909-410140 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1911-431131 (2) · Patent FR-1911-431862 (2) · Patent IT-1912-06-28 Pietro Fabiani and Carlo Agnelli (2) · Patent FR-1908-407090 (2)
Related to aircraft:
Patent agent:
Armengaud jeune (61) · None (36) · E. Blétry (25) · None (23) · L. Chassevent (19) · Dupont et Elluin (16) · Lavoix et Mosès (12) · Schwab (12) · Charles Dony (11) · Hippolyte Josse (10) · H. Boettcher fils (9) · J. Bonnet-Thirion (8) · Boramé et Julien (7) · Brandon frères (7) · J. Germain (7) · C. Blétry (6) · Chassevent (6) · Paul Coulomb (5) · Charles Assi (5)
IPCs:
IPC B64C39/00 (47) · IPC B64C17/00 (45) · IPC B64C1/00 (40) · IPC B64B1/00 (22) · None (20) · IPC B64B1/58 (17) · IPC B64C23/00 (17) · IPC B64C3/38 (17) · IPC B64C3/00 (13) · IPC B64C27/04 (10) · IPC B64C33/02 (10) · IPC B64C11/00 (10) · IPC B64C13/00 (9) · IPC B64C35/00 (8) · IPC B64C17/06 (6) · IPC B64D17/00 (6) · IPC B64C33/00 (6) · IPC B64C25/00 (5) · IPC B64C3/52 (5) · IPC B64D1/04 (5)
CPCs:
CPC B64C17/00 (46) · CPC B64C39/00 (37) · CPC B64C2700/6295 (26) · CPC B64B1/00 (21) · CPC B64B1/58 (17) · CPC B64C23/005 (17) · CPC B64C3/385 (17) · CPC B64C3/00 (13) · CPC B64C2700/6218 (13) · CPC B64C33/02 (12) · CPC B64C2700/6274 (12) · CPC B64C1/00 (11) · CPC B64C13/00 (11) · CPC B64C2700/6212 (10) · CPC B64C2700/6214 (10) · None (9) · CPC B64C27/04 (9) · CPC B64C2700/6281 (8) · CPC B64C2700/6256 (8) · CPC B64C2700/6233 (8)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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