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Patents > National tech categories : CH 129b or DE 77 or USPC 244/80

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Office:
Applicant person:
None (67) · Carl Alfred Johansson (5) · Ernst Georg August Baumgarten (5) · Alfred John Macy (4) · F. Gaebert (3) · Georg Fischer (3)
Applicant is inventor:
Full specification filed date:
Application number:
None (207)
Granted:
Supplementary to patent:
None (230) · Patent NO-1915-12-15 Carl Alfred Johansson (4)
Related to aircraft:
Patent agent:
None (176) · E. Imer-Schneider (10) · Victor J. Evans (10) · E. Blum & Co. (7) · Fritz Isler (5) · H. Kirchhofer (4) · Wilhelm Reinhard (4) · A. Ritter (3) · Carl Müller (2) · Karl Müller (2) · Knight & Co. (2) · Munn & Co. (2) · Ebinger & Isler (2) · C. L. Parker (2) · Bourry-Séquin & Co. (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (188) · IPC B64C17/00 (11) · IPC B64B1/00 (11) · IPC B64C33/02 (9) · IPC B64B1/58 (7) · IPC B64B1/40 (5) · IPC B64C23/00 (4) · IPC B64C19/00 (4) · IPC B64C39/00 (3) · IPC B64C31/06 (3) · IPC B64C30/00 (2) · IPC B64B1/62 (2) · IPC B64B1/30 (2) · IPC B64B1/06 (2) · IPC B64C13/24 (2) · IPC B64C27/04 (2) · IPC CPC B64C13/00 (2) · IPC B64C3/38 (2)
CPCs:
None (124) · CPC B64C17/00 (54) · CPC B64B1/00 (18) · CPC B64C33/02 (12) · CPC B64C23/005 (10) · CPC B64B1/40 (9) · CPC B64C13/00 (6) · CPC B64C33/00 (5) · CPC B64B1/58 (5) · CPC B64B1/30 (4) · CPC B64C30/00 (3) · CPC B64C2700/6273 (3) · CPC B64C13/24 (3) · CPC B64C3/385 (3) · CPC B64C19/00 (2) · CPC B64B1/62 (2) · CPC B64C27/00 (2) · CPC A63H27/08 (2) · CPC B64C31/06 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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