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Patents > Office : BE or Other & CPCs : CPC B22D33/00 or CPC B64C39/00 or CPC B64C39/005

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Office: (Click arrow to add another value)
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Tech fields:
None (321) · Airplane (193) · design (119) · frame (98) · propulsion (87) · stability (61) · wings (56) · Construction (54) · propellers (50) · aerodynamics (43) · navigation (41) · Lift (40) · whole (31) · control (31) · LTA (27) · Fuselage (24) · Sustentation (24) · hybrid (23) · rudder (23) · chassis (23)
Full specification filed date:
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Supplementary to patent:
None (556) · Patent FR-1916-502839 (3) · Patent US-1910-996592 (3)
Related to aircraft:
Patent agent:
None (327) · None (26) · Armengaud jeune (22) · Marks & Clerk (13) · Munn & Co. (11) · J. Bonnet-Thirion (9) · Weismann et Marx (8) · E. Blétry (8) · J. Germain (7) · G. de Mestral et F. Harlé (6) · Charles Assi (6) · Brandon frères (6) · Boult, Wade & Tennant (6) · Boramé et Julien (6) · Y. Rabilloud et fils (6) · L. Chassevent (5) · Charles Dony (5) · C. Blétry (5) · Dupont et Elluin (5) · Chassevent (5)
National tech categories:
None (350) · FR 6.4 (242) · USPC 244/20 (21) · USPC 244/70 (17) · USPC 244/9 (13) · FR 6.3 (11) · DE 77h.5 (7) · USPC 244/19 (5) · USPC 244/13 (4) · USPC 244/119 (4) · USPC 244/39 (4)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
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