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Patents > Tech fields : airplane or lift & IPCs : IPC B64C27/04 or IPC B64C33/00 or IPC B64C39/00 or None & Number of claims: 3-5

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None (237) · Patent GB-1909-2111 (4) · Patent US-1909-970771 (4) · Patent BE-1911-05-15 Georges de Bothezat (4) · Patent SE-1906-23283 (3) · Patent US-1903-821393 (2) · Patent FR-1910-420958 (2) · Patent FR-1912-447782 (2) · Patent FR-1916-502839 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent GB-1911-5162 (2) · Patent CA-1909-126457 (2) · Patent NZ-1909-26981 (2) · Patent DE-1909-220044 (2) · Patent US-1908-927605 (2) · Patent AT-1907-37570 (2)
Related to aircraft:
Patent agent:
None (192) · Armengaud jeune (13) · Marks & Clerk (7) · Victor J. Evans (6) · Boult, Wade & Tennant (6) · Charles Dony (5) · Haseltine, Lake & Co. (5) · Brandon frères (4) · Munn & Co. (4) · E. Blétry (3) · E. Blum & Co. (3) · C. A. Snow & Co. (3) · Henry Hughes (3) · J. Bonnet-Thirion (3) · L. Chassevent (3) · Abel & Imray (3)
National tech categories:
HU V/h (84) · None (74) · FR 6.4 (61) · AT 77d (40) · DK 77 (13) · USPC 244/6 (9) · CH 129b (8) · USPC 244/90R (6) · USPC 244/87 (5) · USPC 244/35R (5) · USPC 244/22 (4) · AU 90.3 (4) · USPC 244/93 (4)
IPCs: (Click arrow to add another value)
CPCs:
None (194) · CPC B64C39/00 (52) · CPC B64C2700/6295 (48) · CPC B64C23/005 (14) · CPC B64C39/005 (9) · CPC B64C13/00 (8) · CPC B64C27/04 (7) · CPC B64C39/08 (7) · CPC B64C17/00 (6) · CPC B64C3/14 (5) · CPC B64C33/02 (5) · CPC B64C33/00 (5) · CPC B64C2700/6281 (5) · CPC B64C39/008 (4) · CPC B64C29/0033 (3) · CPC B64C3/56 (3) · CPC B64C1/00 (3) · CPC B64C3/385 (3)
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