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Patents > IPCs: IPC B64C39/00 & Number of text pages: 2-3 & Number of diagram pages: 1-4

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Tech fields:
Airplane (135) · design (90) · Frame (52) · None (49) · propulsion (43) · wings (40) · stability (40) · Construction (39) · Aerodynamics (33) · propellers (30) · whole (25) · Lift (24) · control (23) · rudder (18) · fuselage (18) · navigation (17) · sustentation (17) · monoplane (15) · Chassis (15) · Biplane (14)
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Supplementary to patent:
None (205) · Patent FR-1916-502839 (3) · Patent FR-1912-441089 (2) · Patent FR-1902-326476 (2) · Patent NZ-1909-26981 (2) · Patent FR-1909-395148 (2) · Patent US-1910-996592 (2) · Patent FR-1909-403418 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1911-434281 (2) · Patent FR-1910-414004 (2) · Patent US-1911-994106 (2)
Related to aircraft:
Patent agent:
None (53) · Armengaud jeune (19) · None (18) · J. Bonnet-Thirion (10) · Boult, Wade & Tennant (8) · Y. Rabilloud et fils (7) · E. Blétry (7) · Boramé et Julien (7) · J. Germain (6) · Marks & Clerk (6) · L. Chassevent (6) · Weismann et Marx (5) · G. de Mestral et F. Harle (5) · Chassevent (4) · Munn & Co. (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (194) · CPC B64C2700/6295 (167) · CPC B64C39/005 (36) · CPC B64C39/08 (30) · CPC B64C39/008 (17) · CPC B64C39/006 (6) · CPC B64C39/003 (6) · CPC B64C39/06 (3) · CPC B64C39/062 (3) · CPC B64C3/56 (2) · CPC Y10S244/903 (2) · CPC B64C3/54 (2) · CPC B64C3/42 (2) · CPC B64C2700/6246 (2)
First filing:
Citations from after 1930:
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