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Patents > Year granted: 1912 & IPCs : IPC B64C23/00 or None

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Year granted:
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Inventor location:
None (609) · Budapest (6) · New York (5) · Pisa (4) · Seine (3) · Massachusetts (3) · New York county (3) · Paris (3) · Chicago (3) · New York City (3) · Mannheim (2) · Michigan (2) · région flamande (2) · province de Flandre-Orientale (2) · the Bronx (2) · Destelbergen lez-Gand (2) · London (2) · California (2) · Bronx county (2) · Berlin (2)
Applicant is inventor:
Application number:
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Supplementary to patent:
None (560) · Patent FR-1909-403985 (3) · Patent GB-1911-5162 (3) · Patent GB-1909-26034 (3) · Patent IT-1911-117954 (3) · Patent US-1909-970771 (3) · Patent FR-1910-423792 (3)
Related to aircraft:
Patent agent:
None (448) · Victor J. Evans (15) · Munn & Co. (10) · None (7) · Joshua R. H. Potts (5) · E. E. Vrooman (4) · Fisher & Moser (3) · C. A. Snow & Co. (3) · Haseltine, Lake & Co. (3)
National tech categories:
None (207) · HU V/h (28) · FR 6.4 (17) · AT 77d (16) · USPC 244/90R (16) · USPC 244/22 (14) · USPC 244/80 (13) · BE K (13) · USPC 244/76R (12) · USPC 244/35R (11) · RU Group V (11) · USPC 244/45R (11) · USPC 244/93 (10) · USPC 244/48 (8) · USPC 244/6 (8) · IT 8 (8) · USPC 244/147 (8) · USPC 244/144 (8)
IPCs: (Click arrow to add another value)
CPCs:
None (212) · CPC B64C2700/6295 (43) · CPC B64C23/005 (36) · CPC B64C13/00 (34) · CPC B64C17/00 (30) · CPC B64C33/02 (25) · CPC B64C3/385 (24) · CPC B64C39/00 (20) · CPC B64C3/14 (18) · CPC B64C13/24 (15) · CPC B64B1/00 (13) · CPC B64C2700/6274 (12) · CPC B64C39/08 (12) · CPC B64C11/006 (11) · CPC B64C39/005 (10) · CPC B64B1/40 (8) · CPC B64C27/006 (6) · CPC B64C35/00 (6)
Family year:
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Citations from after 1930:

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