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Patents > CPCs : CPC B64C23/005 or CPC CPC B64C13/00

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Tech fields:
None (232) · Airplane (94) · propulsion (55) · frame (43) · navigation (40) · propeller (39) · helicopter (38) · hybrid (36) · stability (30) · design (24) · Propellers (20) · takeoff (18) · ascension (17) · LTA (17) · whole (15) · Construction (15) · wings (14) · Lift (14) · control (12) · rudder (12)
Full specification filed date:
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Supplementary to patent:
None (360) · Patent FR-1909-410140 (5) · Patent DE-1909-220044 (2) · Patent FR-1915-525800 (2) · Patent FR-1909-404954 (2) · Patent AT-1909-40038 (2) · Patent FR-1908-394254‎ (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1908-407090 (2) · Patent AU-1916-630 (2)
Related to aircraft:
Patent agent:
None (198) · None (12) · Victor J. Evans (7) · Munn & Co. (6) · G. de Mestral et F. Harlé (5) · J. Bonnet-Thirion (5) · Schwab (4) · Paul Caquet (4) · J. Germain (4) · Marks & Clerk (4) · Armengaud jeune (3) · E. Bletry (3) · Boult, Wade & Tennant (3) · Boramé et Julien (3) · Matray freres et Cie (3) · W. P. Thompson & Co. (3) · C. Blétry (3) · Ad. Sturm (3) · Rigot et Prévost (3) · Joshua R. H. Potts (3)
National tech categories:
None (168) · FR 6.4 (110) · USPC 244/6 (48) · USPC 244/66 (20) · USPC 244/12.1 (16) · USPC 244/80 (7) · USPC 244/60 (6) · USPC 244/35R (5) · USPC 244/139 (5) · DE 77 (5) · USPC 244/100R (5) · USPC 244/48 (4) · FR 6.3 (4) · USPC 244/53R (3) · DE 77h.5 (3) · USPC 244/51 (3) · USPC 244/233 (3) · USPC 244/65 (3) · USPC 244/104R (3)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
None (423)
Citations from after 1930:
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