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Patents > Tech fields : Airship or airplane & Filing date: 1912

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Supplementary to patent:
None (219) · Patent AU-1911-510 (7) · Patent BE-1911-05-15 Georges de Bothezat (6) · Patent GB-1911-29012 (4) · Patent FR-1911-446282 (3) · Patent GB-1911-12188 (3) · Patent BE-1911-240352 (3) · Patent BE-1911-11-17 (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3)
Related to aircraft:
Patent agent:
None (130) · Armengaud jeune (23) · Charles Dony (11) · None (10) · Dupont et Elluin (8) · L. Chassevent (6) · H. Bœttcher fils (6) · J. Bonnet-Thirion (6) · Hippolyte Josse (6) · G. de Mestral et F. Harlé (5) · Haseltine, Lake & Co. (5) · Marks & Clerk (5)
National tech categories:
FR 6.4 (183) · None (59) · HU V/h (28) · BE K (15) · AT 77d (13) · CH 129b (7) · DE 77h.5 (5) · USPC 244/233 (5) · NL 62 (3) · DK 77 (3) · FR 6.2 (3) · USPC 244/48 (2) · CA 244/12 (2) · USPC 244/73R (2) · USPC 244/93 (2) · USPC 244/104R (2) · USPC 244/100R (2) · USPC 244/82 (2) · DE 77h.15 (2) · USPC 244/78.1 (2)
IPCs:
None (130) · IPC B64C17/00 (60) · IPC B64C1/00 (48) · IPC B64C39/00 (29) · IPC B64C25/00 (16) · IPC B64C3/38 (13) · IPC B64C35/00 (12) · IPC B64C3/00 (9) · IPC B64C3/56 (8) · IPC B64C13/00 (6) · IPC B64C11/00 (5) · IPC B64B1/00 (5) · IPC B64C3/54 (4) · IPC B64C17/06 (3) · IPC B64D17/00 (3) · IPC B64C23/00 (3)
CPCs:
None (93) · CPC B64C17/00 (68) · CPC B64C2700/6218 (24) · CPC B64C39/00 (23) · CPC B64C2700/6295 (22) · CPC B64C13/00 (19) · CPC B64C3/385 (15) · CPC B64C25/06 (10) · CPC B64C3/56 (9) · CPC B64C3/00 (9) · CPC B64F2700/6226 (9) · CPC B64C2700/6256 (8) · CPC B64C2700/6212 (8) · CPC B64B1/00 (7) · CPC B64C25/64 (7) · CPC B64C35/00 (7) · CPC B64C2700/6214 (6) · CPC B64C2700/6219 (6) · CPC B64C39/08 (6) · CPC B64C1/00 (6)
First filing:
Cites these patents:
Citations from after 1930:
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