Drilldown: Patents

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Patents > Tech fields : flapping or propeller & Number of claims: 1-2

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Office:
Inventor location:
None (260) · Seine (5) · Los Angeles (4) · Paris (4) · NY (3) · Meurthe-et-Moselle (3) · Zurich (3) · Astoria (2) · Queens county (2) · Nord (2) · Mexico City (2) · New York state (2) · Brooklyn (2) · Budapest (2) · Hérault (2) · England (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (161) · 371992D (2)
Granted:
Supplementary to patent:
None (229) · Patent FR-1899-292828 (3) · Patent DE-1913-290120 (3) · Patent FR-1908-405961 (3) · Patent SE-1906-25199 (3) · Patent CH-1905-33302 (2) · Patent DE-1913-287314 (2) · Patent DE-1907-194165 (2) · Patent DE-1899-123884 (2) · Patent DE-1893-73799 (2) · Patent FR-1908-407411 (2)
Related to aircraft:
Patent agent:
None (142) · None (9) · Munn & Co. (7) · Victor J. Evans (7) · J. Germain (5) · Armengaud jeune (4) · Schwab (4) · J. Bonnet-Thirion (4) · Brandon frères (3) · Haseltine, Lake & Co. (3) · H. C. Evert & Co. (3) · E. Blum & Co. (3)
National tech categories:
None (65) · FR 6.4 (59) · DE 77h.6 (23) · AT 77d (15) · DE 77h.10 (13) · DE 77 (12) · FR 6.2 (10) · RU Group V (9) · HU V/h (8) · DE 77h.5 (7) · DE 77h (6) · USPC 244/72 (5)
IPCs:
None (168) · IPC B64C33/02 (30) · IPC B64C11/16 (14) · IPC B64B1/00 (12) · IPC B64C11/00 (11) · IPC B64C33/00 (8) · IPC B64C39/00 (7) · IPC B64C23/00 (6) · IPC B64C11/36 (5) · IPC B64B1/58 (4) · IPC B64C11/04 (4) · IPC B64C11/06 (3) · IPC B64C27/04 (3)
CPCs:
None (79) · CPC B64C33/02 (38) · CPC B64B1/00 (22) · CPC B64C11/006 (17) · CPC B64C23/005 (15) · CPC B64C11/36 (11) · CPC B64C11/16 (11) · CPC B64C33/00 (11) · CPC B64C39/005 (6) · CPC B64C11/00 (6) · CPC B64C11/04 (5) · CPC B64C3/385 (5) · CPC B64C11/48 (5) · CPC B64C27/00 (4) · CPC B64C11/065 (4) · CPC B64C2700/6281 (4) · CPC B64C11/20 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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