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Patents > National tech categories: FR 6.4 & Number of text pages: 4-5

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Tech fields:
Airplane (149) · stability (88) · design (69) · frame (53) · None (46) · wings (45) · control (42) · LTA (41) · construction (39) · propulsion (39) · propellers (38) · automatic stability (37) · aerodynamics (31) · Lift (27) · navigation (23) · sustentation (21) · landing (19) · military (18) · hybrid (18) · Subsystem (17)
Full specification filed date:
Application number:
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Supplementary to patent:
None (221) · Patent FR-1909-410140 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent IT-1913-03-20 Vigilio Baldo (2) · Patent FR-1908-401308 (2) · Patent FR-1912-461530 (2)
Related to aircraft:
Patent agent:
None (27) · Armengaud jeune (21) · None (19) · Dupont et Elluin (18) · Brandon frères (14) · E. Bletry (14) · L. Chassevent (14) · Lavoix et Mosès (10) · G. Petiau (9) · J. Bonnet-Thirion et Breton (9) · Weismann et Marx (8) · Gaston Rose (7) · H. Bœttcher fils (7) · Dom. Casalonga (6) · De Bongé (6) · J. Bonnet-Thirion (6) · Émile Bert (6) · Weissmann et Marx (6) · Societe A. Frey et de Carsalade (6)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C17/00 (71) · IPC B64C1/00 (65) · IPC B64C39/00 (51) · IPC B64C23/00 (23) · IPC B64C33/02 (20) · IPC B64B1/00 (19) · None (14) · IPC B64C3/38 (13) · IPC B64C35/00 (9) · IPC B64C11/00 (7) · IPC B64C17/06 (7) · IPC B64D1/04 (6) · IPC B64C13/00 (6) · IPC B64C3/52 (6) · IPC B64C27/04 (5) · IPC B64C33/00 (5) · IPC B64C25/00 (5)
CPCs:
CPC B64C17/00 (76) · CPC B64C39/00 (42) · CPC B64C2700/6218 (37) · CPC B64C2700/6295 (27) · CPC B64C23/005 (23) · CPC B64C33/02 (22) · CPC B64B1/00 (20) · CPC B64C2700/6274 (14) · CPC B64C3/385 (11) · CPC B64C2700/6212 (11) · CPC B64C1/00 (10) · CPC B64C17/06 (8) · CPC B64C2700/6214 (8) · CPC B64C13/00 (8) · CPC B64C35/00 (7) · CPC B64C2700/6281 (7) · CPC B64C11/006 (6)
First filing:
Citations from after 1930:
Number of text pages:
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