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Patents > Applicant person : Louis Blériot or None & Applicant firm : Sperry Gyroscope Company or Vickers or Établissements de Dion-Bouton or None & Tech fields : airplane or ballonets

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Application number:
None (239)
Granted:
Supplementary to patent:
None (239) · Patent FR-1916-502839 (5) · Patent FR-1906-363017 (4) · Patent FR-1907-377174 (3) · Patent US-1915-1137533 (3) · Patent BE-1911-240352 (3)
Related to aircraft:
Patent agent:
None (204) · Weismann et Marx (18) · Marks & Clerk (10) · Boult, Wade & Tennant (7) · E. Imer-Schneider (5) · Armengaud jeune (4) · Paul Blum (3) · Henry Hughes (3) · 0 (3) · Jensen & Son (3) · E. Blum & Co. (3) · De Visscher et Graetz (3) · Charles Dony (3) · 1 (3) · Weissmann et Marx (3)
National tech categories:
None (107) · FR 6.4 (54) · IT 8 (29) · AT 77d (23) · DE 77h.5 (13) · AU 90.3 (13) · CH 129b (10) · FR 6.3 (8) · USPC 244/90R (6) · BE K (4) · CA 244/12 (4) · AU 90.5 (4) · USPC 244/6 (3) · USPC 244/13 (3) · DE 77h.9 (3)
IPCs:
None (238) · IPC B64C39/00 (12) · IPC B64C1/00 (8) · IPC B64C3/00 (7) · IPC B64C23/00 (7) · IPC B64C3/38 (5) · IPC B64C3/56 (4) · IPC B64C17/00 (3) · IPC B64C19/00 (3) · IPC B64D35/04 (3) · IPC B64C35/00 (3) · IPC B64C11/00 (3)
CPCs:
None (206) · CPC B64C2700/6295 (20) · CPC B64C39/00 (15) · CPC B64C23/005 (12) · CPC B64C3/00 (8) · CPC B64C13/00 (7) · CPC B64C17/00 (7) · CPC B64C3/385 (5) · CPC B64C11/00 (5) · CPC B64C3/54 (4) · CPC B64C35/00 (4) · CPC B64C39/08 (4) · CPC B64C2700/6233 (4) · CPC B64C33/00 (4) · CPC B64C3/56 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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