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Patents > Citations from after 1930: 4 & Number of text pages: 2-3

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Office:
Inventors:
Charles B. Kirkham (2)
Inventor country:
Applicant person:
Charles B. Kirkham (2)
Applicant is inventor:
Tech fields:
None (11) · Propeller (9) · frame (4) · kite (4) · helicopter (4) · windmill (3) · propellers (3) · military (3) · rudder (2) · propulsion (2) · navigation (2) · aerial propeller (2) · LTA (2) · marine propeller (2) · balloon (2) · airfoil (2) · car (2) · construction (2)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
Patent agent:
Munn & Co. (4) · None (3) · John P. Tarbox (2)
National tech categories:
None (25) · USPC 244/97 (2) · FR 6.4 (2) · USPC 244/153R (2) · USPC 244/64 (2)
CPCs:
CPC F03D3/00 (4) · CPC Y02E10/74 (4) · CPC A63H27/08 (3) · CPC B64C27/463 (3) · CPC B64C11/006 (3) · CPC F05B2260/96 (3) · CPC B64C13/00 (2) · CPC B64C2700/6295 (2) · CPC B64C11/04 (2) · CPC B64C23/005 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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