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Patents > National tech categories : DE 77 or USPC 244/22 or USPC 244/80

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Office:
Inventor location:
None (261) · Chicago (3) · Michigan (3) · Ohio (2) · Paris (2) · London (2) · San Antonio (2) · Budapest (2) · TX (2) · Bexar county (2) · Berlin (2) · Leipzig (2)
Applicant is inventor:
Full specification filed date:
Application number:
None (163)
Granted:
Supplementary to patent:
None (263) · Patent NO-1915-12-15 Carl Alfred Johansson (3)
Related to aircraft:
Patent agent:
None (196) · Victor J. Evans (10) · Munn & Co. (8) · C. A. Snow & Co. (5) · None (3) · Frederick Benjamin (3) · Foster, Freeman, Watson & Coit (2) · Knight & Co. (2) · F. N. Gillent (2) · C. L. Parker (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (198) · IPC B64C33/02 (17) · IPC B64C33/00 (13) · IPC B64B1/00 (11) · IPC B64C17/00 (11) · IPC B64B1/58 (7) · IPC B64B1/40 (5) · IPC B64C39/00 (4) · IPC B64C23/00 (4) · IPC B64C31/06 (3) · IPC B64C13/24 (2) · IPC B64B1/06 (2) · IPC B64B1/30 (2) · IPC B64C27/04 (2) · IPC CPC B64C13/00 (2) · IPC B64B1/62 (2) · IPC B64C30/00 (2)
CPCs:
CPC B64C33/02 (78) · None (73) · CPC B64C17/00 (54) · CPC B64B1/00 (18) · CPC B64C23/005 (10) · CPC B64C33/00 (9) · CPC B64B1/40 (9) · CPC B64C13/00 (6) · CPC B64B1/58 (5) · CPC B64B1/30 (4) · CPC B64C13/24 (3) · CPC B64C30/00 (3) · CPC B64C2700/6273 (3) · CPC A63H27/08 (2) · CPC B64C27/82 (2) · CPC B64C27/54 (2) · CPC B64C27/00 (2) · CPC B64C3/385 (2) · CPC B64C31/06 (2) · CPC B64B1/62 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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