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Patents > IPCs : IPC B64C33/02 or IPC B64C39/00 & Number of claims: 2-5

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Tech fields:
airplane (91) · design (58) · None (49) · Wings (44) · propulsion (42) · frame (36) · Construction (32) · stability (31) · Propellers (26) · Aerodynamics (24) · lift (23) · control (22) · sustentation (21) · flapping (18) · whole (15) · HTA (15) · Navigation (15) · LTA (14) · Chassis (13) · Rudder (12)
Full specification filed date:
Application number:
None (29)
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Supplementary to patent:
None (172) · Patent FR-1916-502839 (2) · Patent FR-1910-421136 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent FR-1912-461530 (2) · Patent US-1911-994106 (2) · Patent FR-1909-403418 (2)
Related to aircraft:
Patent agent:
None (44) · Armengaud jeune (19) · None (10) · Marks & Clerk (10) · Brandon frères (8) · Boult, Wade & Tennant (7) · J. Bonnet-Thirion (6) · E. Blétry (6) · Munn & Co. (5) · Société A. Frey et de Carsalade (4) · J. Germain (4) · Haseltine, Lake & Co. (4) · Dupont et Elluin (4) · Herbert Haddan & Co. (4) · C. Blétry (3) · A. de Carsalade (3) · Chassevent (3) · W. P. Thompson & Co. (3) · G. Petiau (3) · Charles Dony (3)
National tech categories:
FR 6.4 (119) · None (90) · DE 77 (6) · USPC 244/70 (6) · FR 6.3 (5) · DE 77h.10 (4) · USPC 244/13 (4) · DE 77h.5 (3) · DE 77h.11 (3) · USPC 244/72 (3) · USPC 244/27 (3) · USPC 244/45R (2) · USPC 244/9 (2) · USPC 244/87 (2) · USPC 416/113 (2) · DE 77h.8 (2) · USPC 244/22 (2) · USPC 244/903 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (124) · CPC B64C2700/6295 (117) · CPC B64C33/02 (44) · CPC B64C39/005 (28) · CPC B64C39/08 (19) · CPC B64C39/008 (16) · CPC B64C39/003 (9) · CPC B64C39/006 (5) · None (4) · CPC B64C39/062 (3) · CPC B64C33/00 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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