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Patents > Tech fields : Ascension or propeller & Number of diagram pages: 2

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Office:
Inventors:
Spencer Heath (4) · None (3) · Francis Alexander Barton (3) · James Madison Keller (2) · Josef Deixler (2) · Edward Smethurst (2) · Raymond d'Equevilley-Montjustin (2) · Philippe Delbert (2) · Albert Hugo Friedel (2) · Alonzo Perry Bliven (2) · William Wallace Gibson (2)
Inventor country:
Applicant person:
None (33) · Spencer Heath (4) · William Wallace Gibson (2) · Alonzo Perry Bliven (2) · Edward Smethurst (2) · Francis Alexander Barton (2) · James Madison Keller (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (69)
Granted:
Related to aircraft:
Patent agent:
None (39) · Victor J. Evans (6) · Munn & Co. (4) · W. D. Rowlingson (3) · Marks & Clerk (3) · None (3) · Haseltine, Lake & Co. (3) · Brandon frères (2) · Wheatley & Mackenzie (2) · J. E. Evans-Jackson & Co. (2)
National tech categories:
None (66) · FR 6.4 (9) · USPC 244/6 (5) · USPC 244/64 (4) · USPC 244/26 (4) · USPC 244/22 (4) · USPC 244/87 (3) · USPC 244/66 (3) · AT 77d (3) · USPC 244/35R (3) · GB 4 propel & steer (3) · USPC 244/17.21 (3)
CPCs:
None (35) · CPC B64B1/00 (14) · CPC B64C11/006 (12) · CPC B64C23/005 (8) · CPC B64C39/005 (7) · CPC B64C33/02 (6) · CPC B64C2700/6295 (6) · CPC B64C11/48 (6) · CPC B63H5/10 (4) · CPC B64C39/08 (4) · CPC B64C27/82 (4) · CPC B64C17/00 (4) · CPC B64C3/14 (3) · CPC B64C2700/6281 (3) · CPC B64C27/04 (3) · CPC B63H1/04 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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