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Patents > Office : GB or Other & CPCs : CPC B64C13/00 or CPC B64C39/00

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Office: (Click arrow to add another value)
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Tech fields:
None (474) · Airplane (278) · control (137) · design (132) · stability (123) · frame (118) · wings (75) · navigation (75) · Rudder (69) · construction (66) · Aerodynamics (60) · steering (59) · Propellers (56) · lift (49) · propulsion (44) · whole (31) · automatic stability (28) · aeroplane (27) · fuselage (26) · monoplane (26)
Full specification filed date:
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Supplementary to patent:
None (838) · Patent US-1909-970771 (3) · Patent US-1910-1055379 (3) · Patent FR-1908-392672 (3) · Patent FR-1916-502839 (3)
Related to aircraft:
Patent agent:
None (551) · Armengaud jeune (31) · None (21) · Marks & Clerk (19) · Weismann et Marx (15) · Munn & Co. (11) · Brewer & Son (11) · Haseltine, Lake & Co.‎ (10) · Brandon freres (9) · L. Chassevent (8) · J. Bonnet-Thirion (8) · E. Blétry (8) · Y. Rabilloud et fils (8) · Boult, Wade & Tennant (7) · J. Germain (7) · Charles Dony (6) · G. de Mestral et F. Harlé (6) · Abel & Imray (6) · Dupont et Elluin (6)
National tech categories:
None (484) · FR 6.4 (294) · USPC 244/233 (37) · USPC 244/90R (33) · DE 77h.5 (25) · USPC 244/78.1 (17) · USPC 244/82 (13) · USPC 244/87 (13) · USPC 244/225 (10) · USPC 244/231 (9) · USPC 244/234 (9) · USPC 244/88 (8) · USPC 244/237 (8) · USPC 244/232 (6) · USPC 244/89 (6) · USPC 244/100R (6) · USPC 244/80 (6) · USPC 244/119 (6) · FR 6.3 (6) · USPC 244/35R (5)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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