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Patents > Applicant firm: None & IPCs : IPC B64C23/00 or IPC B64C3/00

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None (310) · Seine (5) · London (3) · Indiana (2) · Seine-et-Oise (2) · Nord (2) · Maine-et-Loire (2) · Massachusetts (2) · California (2)
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Supplementary to patent:
None (260) · Patent FR-1907-373818 (4) · Patent FR-1911-429224 (3) · Patent FR-1909-410140 (3) · Patent FR-1908-394254‎ (2) · Patent AT-1909-40038 (2) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent US-1911-1028409 (2) · Patent FR-1917-504302 (2) · Patent FR-1909-404954 (2) · Patent FR-1915-525800 (2) · Patent DE-1909-220044 (2)
Related to aircraft:
Patent agent:
None (59) · None (24) · Armengaud jeune (13) · Marks & Clerk (12) · G. de Mestral et F. Harlé (6) · Chassevent (6) · J. Bonnet-Thirion (6) · J. Germain (6) · Weismann et Marx (5) · Hippolyte Josse (5) · Lavoix et Mosès (5) · Boult, Wade & Tennant (5) · Haseltine, Lake & Co. (4) · E. Blétry (4) · Société J.-P. Bonnicart et Cie (4) · Paul Caquet (4) · Rigot et Prévost (4)
National tech categories:
FR 6.4 (186) · None (108) · DE 77h.5 (7) · USPC 244/48 (6) · FR 6.3 (5) · USPC 244/46 (4) · DE 77 (4) · DE 77h.7 (3) · USPC 244/49 (3) · FR 5.3 (3) · USPC 244/6 (3) · USPC 244/66 (2) · USPC 244/90R (2) · USPC 244/91 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (185) · CPC B64C3/00 (142) · CPC B64C2700/6274 (121) · CPC B64C2700/6233 (55) · CPC B64C2700/6235 (55) · CPC B64C2700/6273 (16) · CPC B64C2700/6271 (12) · CPC B64C3/385 (7) · CPC B64C3/40 (3) · CPC B64C3/18 (3) · CPC B64C33/025 (2) · CPC B64C3/56 (2) · CPC Y02T50/145 (2) · CPC B64C3/54 (2) · CPC B64C17/00 (2) · CPC B64C25/36 (2) · CPC B64C1/26 (2) · CPC B64C23/00 (2)
First filing:
Cites these patents:
None (347)
Citations from after 1930:
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