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Patents > Year granted: 1912 & First filing: Yes & Number of figures: 5

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Year filed:
Year granted:
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Office:
Inventors:
None (4) · David Henderson Blake (2) · François d’Astanières (2) · Arthur Randolph Monro (2) · Arthur George Watkins (2) · David James Beitzel (2) · Spencer MacDougal Brown (2) · Jean-Georges Xiradaky (2)
Inventor country:
Applicant person:
None (5) · David Henderson Blake (2) · François d’Astanières (2) · Arthur Randolph Monro (2) · Arthur George Watkins (2) · David James Beitzel (2) · Jean-Georges Xiradaky (2) · Spencer MacDougal Brown (2)
Applicant type:
Applicant is inventor:
Tech fields:
airplane (18) · None (17) · stability (17) · frame (7) · design (7) · propulsion (6) · propellers (6) · propeller (6) · whole (5) · safety (5) · rudder (5) · LTA (5) · automatic stability (5) · control (4) · Navigation (4) · landing (4) · helicopter (4)
Filing date:
Full specification filed date:
Application number:
None (18)
Granted:
Related to aircraft:
Patent agent:
None (11) · Armengaud jeune (6) · None (4) · Victor J. Evans (4) · Munn & Co. (3) · Marks & Clerk (3) · E. E. Vrooman (2)
National tech categories:
FR 6.4 (20) · None (19) · USPC 244/80 (5) · USPC 244/45R (4) · DE 77h.5 (3) · USPC 244/35R (3) · USPC 244/144 (3) · USPC 244/100R (2) · USPC 244/63 (2) · USPC 244/113 (2) · DE 77h.4 (2)
CPCs:
CPC B64C17/00 (15) · CPC B64C2700/6295 (8) · CPC B64C23/005 (6) · None (4) · CPC B64C2700/6218 (4) · CPC B64C11/006 (4) · CPC B64C39/00 (4) · CPC B64C33/02 (4) · CPC B64C2700/6214 (3) · CPC B64C3/00 (3) · CPC B64C3/14 (3) · CPC B64B1/58 (3) · CPC B64C39/08 (3) · CPC B64F2700/6226 (3) · CPC B64C25/06 (3)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

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