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Patents > Tech fields : propellers or wheels & Number of diagram pages: 2-4

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None (258) · Seine (9) · Seine-et-Oise (3) · Paris (3) · St. Louis (2) · Pittsburgh (2) · Charente-Inférieure (2) · New York City (2) · Budapest (2) · Hérault (2) · New York (2) · Missouri (2) · Minnesota (2) · Allegheny county, Pennsylvania (2) · PA (2)
Applicant is inventor:
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Application number:
None (84)
Granted:
Supplementary to patent:
None (219) · Patent US-1909-970771 (6) · Patent FR-1911-430455 (3) · Patent GB-1908-4519 (3) · Patent US-1910-1055379 (2) · Patent GB-1887-8255 (2) · Patent FR-1887-184251 (2) · Patent FR-1911-438355 (2) · Patent FR-1908-404631 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent DE-1911-330185 (2)
Related to aircraft:
Patent agent:
None (80) · Boult, Wade & Tennant (9) · Marks & Clerk (8) · None (8) · Armengaud jeune (6) · Munn & Co. (6) · Lavoix et Mosès (5) · Victor J. Evans (4) · H. D. Fitzpatrick & Co. (4) · Watson E. Coleman (3) · Charles Dony (3) · Bauer & Imrie (3) · A. M. & William Clark (3)
National tech categories:
None (105) · FR 6.4 (56) · HU V/h (21) · FR 6.3 (6) · USPC 244/50 (6) · USPC 244/87 (6) · USPC 244/6 (5) · FR 6.2 (5) · USPC 244/90R (5) · USPC 244/66 (4) · USPC 244/65 (4) · CH 129b (4) · USPC 244/48 (4) · USPC 244/35R (4) · USPC 244/99.11 (4)
IPCs:
None (154) · IPC B64C39/00 (16) · IPC B64C11/00 (11) · IPC B64C25/00 (10) · IPC B64C23/00 (10) · IPC B64C27/04 (9) · IPC B64B1/00 (7) · IPC B64C17/00 (6) · IPC B64C1/00 (6) · IPC B64C3/56 (4) · IPC B64D35/06 (4) · IPC B64C33/02 (4) · IPC B64C31/04 (3) · IPC B64C11/36 (3) · IPC B64C35/00 (3) · IPC B64C11/30 (3) · IPC B63H1/12 (3) · IPC B64C11/04 (3)
CPCs:
None (60) · CPC B64C23/005 (17) · CPC B64C2700/6295 (13) · CPC B64C39/00 (12) · CPC B64C13/00 (11) · CPC B64B1/00 (11) · CPC B64C33/02 (11) · CPC B64C39/005 (10) · CPC B64C17/00 (9) · CPC B64C39/08 (9) · CPC B64C3/385 (9) · CPC B64C2700/6274 (7) · CPC B64C11/006 (7) · CPC B64C27/04 (5) · CPC B64F2700/6226 (5) · CPC B64C25/06 (5) · CPC B64C3/14 (5) · CPC B64C11/36 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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