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Patents > IPCs: IPC B64C39/00 & Citations from after 1930: None

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Tech fields:
Airplane (154) · design (109) · propulsion (70) · frame (67) · None (61) · wings (61) · construction (57) · propellers (56) · stability (53) · aerodynamics (43) · lift (38) · control (35) · whole (31) · navigation (27) · aeroplane (25) · sustentation (24) · Fuselage (24) · rudder (22) · monoplane (19)
Full specification filed date:
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Supplementary to patent:
None (268) · Patent FR-1916-502839 (4) · Patent FR-1908-394418 (2) · Patent FR-1909-395148 (2) · Patent NZ-1909-26981 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1913-461629 (2) · Patent US-1908-927605 (2) · Patent GB-1908-4519 (2) · Patent FR-1908-396470 (2) · Patent FR-1909-421311 (2) · Patent FR-1910-414004 (2) · Patent US-1911-994106 (2) · Patent FR-1912-441089 (2) · Patent FR-1910-421136 (2) · Patent FR-1902-326476 (2) · Patent US-1910-993987 (2)
Related to aircraft:
Patent agent:
None (102) · Armengaud jeune (20) · None (15) · J. Bonnet-Thirion (10) · Weismann et Marx (9) · Marks & Clerk (9) · E. Blétry (9) · J. Germain (8) · Boramé et Julien (7) · L. Chassevent (5) · G. de Mestral et F. Harle (5) · Dupont et Elluin (5) · Chassevent (5) · Charles Assi (5) · Brandon freres (5) · Boult, Wade & Tennant (5) · Y. Rabilloud et fils (5)
National tech categories:
FR 6.4 (235) · None (103) · FR 6.3 (11) · USPC 244/13 (8) · USPC 244/45R (8) · DE 77h.5 (7) · DE 77h.11 (4) · FR 6.2 (4) · USPC 244/27 (3) · FR 6.1 (2) · USPC 244/19 (2) · USPC 244/70 (2) · DE 77h.8 (2) · DE 77 (2) · USPC 244/80 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (266) · CPC B64C2700/6295 (244) · CPC B64C39/005 (46) · CPC B64C39/08 (25) · CPC B64C39/008 (24) · CPC B64C39/003 (18) · CPC B64C39/006 (11) · CPC B64C39/06 (3) · CPC B64C3/385 (3)
First filing:
Citations from after 1930:
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