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Patents > Office: Other & IPCs: IPC B64C39/00 & Number of text pages: 2-3

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Office: (Click arrow to add another value)
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Tech fields:
airplane (142) · design (93) · Frame (55) · propulsion (50) · None (49) · stability (43) · construction (41) · Wings (41) · propellers (35) · aerodynamics (34) · Whole (26) · control (25) · lift (24) · rudder (20) · navigation (19) · fuselage (19) · sustentation (17) · chassis (16) · monoplane (15) · subsystem (15)
Full specification filed date:
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Supplementary to patent:
None (211) · Patent FR-1916-502839 (4) · Patent US-1910-996592 (2) · Patent FR-1902-326476 (2) · Patent NZ-1909-26981 (2) · Patent FR-1909-403418 (2) · Patent FR-1912-441089 (2) · Patent FR-1909-395148 (2) · Patent FR-1911-434281 (2) · Patent FR-1909-421311 (2) · Patent FR-1910-414004 (2) · Patent FR-1917-502839.21604 (2) · Patent US-1911-994106 (2)
Related to aircraft:
Patent agent:
None (59) · None (20) · Armengaud jeune (19) · J. Bonnet-Thirion (11) · Boult, Wade & Tennant (8) · E. Blétry (7) · J. Germain (7) · Boramé et Julien (7) · Y. Rabilloud et fils (7) · Weismann et Marx (6) · Marks & Clerk (6) · L. Chassevent (6) · G. de Mestral et F. Harlé (5) · Munn & Co. (4) · Chassevent (4)
National tech categories:
FR 6.4 (183) · None (76) · USPC 244/45R (10) · DE 77h.5 (7) · USPC 244/70 (6) · USPC 244/13 (6) · FR 6.3 (6) · DE 77h.11 (5) · USPC 244/27 (3) · USPC 416/113 (2) · USPC 244/903 (2) · USPC 244/9 (2) · USPC 244/20 (2) · DE 77h.8 (2) · FR 6.2 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (199) · CPC B64C2700/6295 (173) · CPC B64C39/005 (37) · CPC B64C39/08 (31) · CPC B64C39/008 (18) · CPC B64C39/003 (8) · CPC B64C39/006 (7) · CPC B64C39/062 (3) · CPC B64C39/06 (3) · CPC B64C3/42 (3) · CPC Y10S244/903 (2) · CPC B64C3/56 (2) · CPC B64C3/54 (2) · CPC B64C3/385 (2) · CPC B64C2700/6246 (2)
First filing:
Citations from after 1930:
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