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Patents > CPCs : CPC B64C2700/6216 or CPC B64C2700/6274 or CPC B64C2700/6295

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Tech fields:
None (506) · airplane (214) · stability (115) · Design (105) · frame (98) · Construction (59) · propulsion (52) · wings (49) · aerodynamics (48) · Propellers (47) · control (40) · lift (39) · whole (37) · Automatic stability (35) · rudder (33) · navigation (32) · gyroscope (32) · Wheels (27) · hybrid (27) · propeller (26)
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Supplementary to patent:
None (752) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent FR-1916-502839 (3)
Related to aircraft:
Patent agent:
None (469) · None (25) · Armengaud jeune (17) · J. Germain (14) · Marks & Clerk (12) · Boult, Wade & Tennant (10) · J. Bonnet-Thirion (9) · Weismann et Marx (9) · Boramé et Julien (8) · L. Chassevent (7) · Haseltine, Lake & Co. (7) · Chassevent (7) · Paul Caquet (6) · Schwab (6) · Herbert Haddan & Co. (6) · G. Petiau (6) · E. Blétry (6) · Charles Dony (6)
National tech categories:
None (473) · FR 6.4 (272) · USPC 244/45R (48) · USPC 244/13 (32) · USPC 244/90R (8) · USPC 244/87 (8) · USPC 244/91 (7) · USPC 244/48 (5) · USPC 244/50 (5) · USPC 244/233 (4) · USPC 244/119 (4) · USPC 244/903 (4) · USPC 244/113 (4) · USPC 244/35R (4) · FR 6.3 (4) · USPC 244/100R (4)
CPCs: (Click arrow to add another value)
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Citations from after 1930:

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