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Patents > CPCs : CPC B64C11/006 or CPC B64C27/12

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Office:
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None (441) · Illinois (3) · New York (3) · Pennsylvania (3) · Basse-Pyrénées (2) · New Jersey (2) · Manhattan (2) · Calvados (2) · Seine (2) · England (2) · Philadelphia (2)
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Tech fields:
None (211) · propulsion (100) · Propellers (51) · propeller (47) · marine (30) · paddle-wheel (24) · Airplane (20) · Windmill (17) · helicopter (16) · LTA (15) · subsystem (13) · Navigation (13) · Design (12) · sustentation (12) · Aerodynamics (12) · wings (11) · aerial propeller (10) · ascension (9) · paddle wheel (9)
Full specification filed date:
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Granted:
Supplementary to patent:
None (424) · Patent FR-1909-410848 (2) · Patent AU-1909-16369 (2) · Patent GB-1911-12232 (2) · Patent DE-1907-214228 (2) · Patent DE-1912-267069 (2)
Related to aircraft:
Patent agent:
None (292) · None (12) · Armengaud jeune (12) · J. Bonnet-Thirion (6) · Y. Rabilloud et fils (6) · Munn & Co. (6) · L. Chassevent (4) · E. Blétry (4) · J. Germain (4) · Marks & Clerk (3) · Boult, Wade & Tennant (3) · Lloyd Wise & Co. (3)
National tech categories:
None (313) · FR 6.4 (78) · FR 6.2 (14) · USPC 416/113 (12) · USPC 416/108 (10) · USPC 416/116 (8) · FR 6.3 (7) · DE 77h.6 (5) · USPC 244/71 (5) · USPC 416/121 (4) · FR 5.8 (3) · USPC 244/68 (2) · DE 77h.8 (2) · USPC 416/109 (2) · USPC 74/406 (2) · USPC 244/64 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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