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Patents > CPCs : CPC B64C23/005 or CPC B64C39/006 & Citations from after 1930: None

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Office:
Inventor country:
Inventor location:
None (251) · Seine (3) · Aisne (3) · Villers-Cotterêts (2) · Nord (2) · Seine-et-Oise (2)
Applicant is inventor:
Tech fields:
airplane (95) · None (94) · propulsion (63) · hybrid (44) · helicopter (40) · frame (39) · propeller (37) · navigation (33) · design (33) · propellers (28) · stability (27) · ascension (26) · wings (22) · lift (22) · Takeoff (17) · heavier-than-air (15) · sustentation (15) · control (15) · aerodynamics (14)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (219) · Patent FR-1909-410140 (5) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1909-404954 (2) · Patent AT-1909-40038 (2) · Patent FR-1908-407090 (2) · Patent FR-1915-525800 (2) · Patent DE-1909-220044 (2)
Related to aircraft:
Patent agent:
None (115) · None (10) · Armengaud jeune (5) · G. de Mestral et F. Harlé (5) · Victor J. Evans (4) · Schwab (4) · Marks & Clerk (4) · J. Bonnet-Thirion (3) · J. Fayollet (3) · J. Germain (3) · C. Blétry (3) · Borame et Julien (3) · Munn & Co. (3) · Ad. Sturm (3) · Rigot et Prévost (3) · W. P. Thompson & Co. (3)
National tech categories:
None (98) · FR 6.4 (91) · USPC 244/6 (27) · USPC 244/66 (14) · USPC 244/12.1 (11) · DE 77 (6) · USPC 244/60 (5) · USPC 244/139 (4) · USPC 244/80 (4) · USPC 244/100R (4) · FR 6.3 (4) · DE 77h.5 (3) · USPC 244/104R (3) · USPC 244/35R (2) · USPC 244/48 (2) · USPC 244/231 (2) · USPC 244/51 (2) · USPC 244/53R (2) · DE 77h (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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