Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : Airship or safety & Patent agent : J. Germain or None

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Application number:
None (218)
Granted:
Supplementary to patent:
None (257) · Patent FR-1891-215265 (3) · Patent FR-1912-450892 (3) · Patent FR-1902-328044 (3) · Patent US-1913-1087946 (3)
Related to aircraft:
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National tech categories:
None (75) · HU V/h (59) · FR 6.4 (24) · FR 6.3 (20) · AT 77d (20) · DE 77 (17) · DE 77h (7) · USPC 244/30 (6) · USPC 244/139 (5) · DE 77h.4 (5) · DE 77h.15 (5) · USPC 244/52 (5) · FR 5 (4) · IT 8 (4) · USPC 244/97 (4) · USPC 244/99 (4) · USPC 244/142 (4)
IPCs:
None (250) · IPC B64B1/00 (29) · IPC B64C39/00 (7) · IPC B64B1/58 (7) · IPC B64B1/62 (4) · IPC B64C1/00 (3) · IPC B64B1/40 (3) · IPC B64B1/60 (3) · IPC B64C35/00 (3) · IPC B64C11/00 (3) · IPC B64C33/02 (3) · IPC A41D31/00 (2) · IPC A41D13/015 (2) · IPC B64D25/12 (2) · IPC CPC B64C13/00 (2) · IPC B64D25/00 (2) · IPC B64D17/00 (2)
CPCs:
None (208) · CPC B64B1/00 (33) · CPC B64B1/58 (10) · CPC B64B1/62 (9) · CPC B64B1/40 (8) · CPC B64C13/00 (5) · CPC B64C33/02 (5) · CPC B64C39/005 (5) · CPC B64C9/38 (4) · CPC B64C17/00 (4) · CPC B64C35/00 (4) · CPC B64D17/00 (3) · CPC B64D17/80 (3) · CPC B64C23/005 (3)
First filing:
Citations from after 1930:
Number of text pages:
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