Drilldown: Patents

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Patents > Office : ?? or AH or DE or IN or LU or NL or US & Applicant firm: None & Tech fields : Propulsion or balloon & Patent agent: None

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Full specification filed date:
Application number:
None (262)
Granted:
Supplementary to patent:
None (352) · Patent FR-1912-458772 (2) · Patent DE-1893-73799 (2) · Patent CA-1878-8860 (2)
Related to aircraft:
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National tech categories:
DE 77 (61) · None (59) · DE 77h (19) · USPC 244/30 (16) · USPC 244/51 (11) · USPC 244/73R (11) · DE 77h.6 (11) · DE 77h.4 (10) · USPC 244/97 (10) · USPC 244/52 (9) · USPC 244/22 (9) · USPC 244/99 (8) · USPC 244/25 (8) · USPC 244/6 (7) · USPC 244/26 (7) · USPC 244/23R (7) · DE 77h.3 (7) · USPC 244/65 (7)
IPCs:
None (233) · IPC B64B1/00 (41) · IPC B64C33/02 (14) · IPC B64B1/40 (11) · IPC B64C33/00 (9) · IPC B64C39/00 (9) · IPC B64C11/00 (8) · IPC B64C23/005 (6) · IPC B64B1/58 (6) · IPC B64C9/00 (5) · IPC B64B1/62 (5) · IPC B64C11/001 (4) · IPC B64C39/005 (3) · IPC B64C11/16 (3) · IPC B64B1/06 (3) · IPC B64C29/00 (3)
CPCs:
None (99) · CPC B64B1/00 (58) · CPC B64B1/40 (25) · CPC B64C23/005 (19) · CPC B64C33/02 (18) · CPC B64B1/58 (14) · CPC B64C11/006 (13) · CPC B64B1/62 (12) · CPC B64C9/00 (10) · CPC B64C39/005 (10) · CPC B64C29/0025 (9) · CPC B64C9/38 (8) · CPC B64C33/00 (8) · CPC B64C11/00 (8) · CPC B64C11/001 (7) · CPC B64C39/008 (4) · CPC F04D29/382 (3) · CPC B64C27/54 (3) · CPC B64C27/12 (3) · CPC B64C2700/6281 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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