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Patents > Tech fields: airplane & IPCs : IPC B64B1/00 or IPC B64C25/00 or IPC B64C35/00 or IPC B64C39/00

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Granted:
Supplementary to patent:
None (187) · Patent GB-1911-29012 (6) · Patent FR-1909-420322 (4) · Patent FR-1916-502839 (4) · Patent FR-1916-493411 (3) · Patent US-1910-996592 (3) · Patent FR-1912-446818 (3) · Patent IT-1915-150227 (3)
Related to aircraft:
Patent agent:
None (57) · Armengaud jeune (28) · None (17) · J. Bonnet-Thirion (13) · Charles Dony (10) · Weismann et Marx (9) · Marks & Clerk (8) · Boult, Wade & Tennant (8) · Dupont et Elluin (7) · Boramé et Julien (7) · Brandon frères (7) · L. Chassevent (6) · Lavoix et Mosès (6) · Hippolyte Josse (6) · J. Germain (5) · G. G. M. Hardingham (5) · G. de Mestral et F. Harle (5)
National tech categories:
FR 6.4 (219) · None (66) · DE 77h.9 (7) · USPC 244/25 (4) · USPC 244/13 (4) · USPC 244/30 (3) · DE 77h.5 (3) · USPC 244/45R (3) · USPC 244/100R (2) · USPC 244/19 (2) · USPC 244/104CS (2) · USPC 244/102R (2) · USPC 244/9 (2) · FR 6.3 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (149) · CPC B64C2700/6295 (103) · CPC B64C25/06 (35) · CPC B64C35/00 (35) · CPC B64F2700/6226 (27) · CPC B64B1/00 (26) · CPC B64C25/62 (21) · CPC B64C39/08 (18) · CPC B64C25/64 (17) · CPC B64C39/005 (14) · CPC B64C25/52 (11) · CPC B64F2700/6261 (10) · CPC B64C25/54 (9) · CPC B64F2700/6296 (7) · CPC B64C39/003 (6) · CPC B64C35/008 (6) · CPC B64C39/008 (6) · IPC B64C35/00 (4) · CPC B64F2700/628 (4) · CPC B64C25/60 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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