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Patents > IPCs : IPC B64B1/00 or IPC B64C3/54 or IPC G01R22/02

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Supplementary to patent:
None (371) · Patent FR-1908-392672 (4) · Patent ES-1906-38692 (3) · Patent FR-1913-472867 (3) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent GB-1913-11207 (2) · Patent FR-1902-317598 (2) · Patent FR-1907-382794 (2) · Patent FR-1914-472867.19895 (2) · Patent CH-1909-48028 (2) · Patent IT-1913- (2) · Patent AT-1910-49705 (2)
Related to aircraft:
Patent agent:
None (178) · Armengaud jeune (26) · None (23) · Munn & Co. (10) · Boramé et Julien (10) · Brandon frères (9) · Chassevent (8) · Haseltine, Lake & Co. (8) · Hippolyte Josse (7) · G. de Mestral et F. Harlé (6) · E. Blétry (5) · Dupont et Elluin (5) · G. Petiau (5) · Boult, Wade & Tennant (5) · C. Blétry (5)
National tech categories:
FR 6.4 (211) · None (81) · FR 6.3 (51) · USPC 244/30 (31) · USPC 244/26 (15) · USPC 244/25 (11) · DE 77 (9) · DE 77h.2 (9) · USPC 244/96 (8) · USPC 244/67 (7) · USPC 244/97 (7) · USPC 244/32 (6) · USPC 244/125 (6) · USPC 24/713.8 (5)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/00 (375) · CPC B64C3/54 (52) · CPC B64B1/40 (18) · CPC B64C2700/6246 (17) · CPC B64B1/005 (12) · CPC B64C5/08 (8) · CPC B64B1/58 (8) · CPC B64C2009/005 (7) · CPC B64C3/546 (6) · CPC B64C9/00 (6) · CPC Y10T24/3747 (5) · CPC B64F2700/6219 (4) · None (4) · CPC B64B1/62 (4) · CPC B64C13/30 (3) · CPC B64B1/50 (3)
First filing:
Citations from after 1930:
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