Drilldown: Patents

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Patents > Office: US & Citations from after 1930: 4-30 & Number of text pages: 3-7

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Office: (Click arrow to add another value)
Inventors:
Charles B. Kirkham (3) · Frank McCarroll (2)
Inventor country:
Applicant person:
Charles B. Kirkham (3) · Frank McCarroll (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (13) · airplane (10) · stability (8) · propeller (8) · aerial propeller (5) · projectile (5) · helicopter (4) · frame (4) · military (4) · automatic stability (4) · LTA (3)
Full specification filed date:
Application number:
None (16)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (4) · Munn & Co. (4) · Victor J. Evans (3) · John P. Tarbox (3) · Church & Church (2)
National tech categories:
None (23) · USPC 244/177 (3) · USPC 416/244R (2) · USPC 244/50 (2) · USPC 244/49 (2) · USPC 244/46 (2) · USPC 244/45R (2) · USPC 244/3.23 (2) · USPC 244/17.15 (2) · USPC 244/12.1 (2) · USPC 244/234 (2)
CPCs:
CPC Y02E10/74 (4) · CPC B64C23/005 (3) · CPC B64C39/005 (2) · CPC B64C11/065 (2) · CPC B64C3/385 (2) · CPC B64C3/14 (2) · CPC F05B2260/72 (2) · CPC B64C25/60 (2) · CPC B64C13/04 (2) · CPC Y10T29/49332 (2) · CPC Y10T29/49334 (2) · CPC F03D3/00 (2) · CPC B64C11/04 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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