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Patents > CPCs : CPC B64B1/00 or CPC B64C2700/6218 or CPC B64F2700/6276

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Tech fields:
LTA (440) · None (200) · stability (196) · airplane (150) · frame (138) · propulsion (124) · navigation (108) · balloon (103) · design (95) · automatic stability (74) · propeller (67) · dirigible (66) · Airship (63) · hybrid (55) · construction (55) · car (45) · rudder (44) · control (42) · Aerodynamics (40) · safety (37)
Full specification filed date:
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Supplementary to patent:
None (718) · Patent FR-1913-472867 (4) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent ES-1906-38692 (3) · Patent FR-1913-467415 (3)
Related to aircraft:
Patent agent:
None (414) · None (32) · Armengaud jeune (24) · Munn & Co. (16) · Haseltine, Lake & Co. (13) · Brandon frères (13) · Boramé et Julien (12) · Marks & Clerk (11) · Hippolyte Josse (9) · Chassevent (9) · E. Blétry (9) · Boult, Wade & Tennant (9) · Lavoix et Mosès (8) · J. Bonnet-Thirion (8) · Abel & Imray (7) · Dom. Casalonga (7) · de Bongé (7)
National tech categories:
FR 6.4 (319) · None (294) · USPC 244/30 (61) · FR 6.3 (57) · USPC 244/26 (26) · USPC 244/28 (23) · USPC 244/25 (23) · DE 77 (14) · USPC 24/713.8 (13) · DE 77h.2 (12) · USPC 244/125 (12) · USPC 244/29 (11) · USPC 244/67 (9) · USPC 244/96 (7) · USPC 244/99 (5) · DE 77h (5) · USPC 244/127 (5)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:

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