Drilldown: Patents

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Patents > Year granted: 1870 - 1879 & Number of text pages: 1-2

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Office:
Inventors:
Comte Antoine Apraxine (2) · Watson F. Quinby (2) · James Hartness (2)
Inventor country:
Applicant person:
None (8) · Comte Antoine Apraxine (2) · James Hartness (2) · Watson F. Quinby (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
LTA (18) · propulsion (15) · propeller (9) · flapping (6) · balloon (6) · navigation (6) · marine (6) · human-powered (6) · car (5) · frame (5) · None (4) · projectile (4) · parachute (4) · kite (4) · hand tools (4) · military (4)
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National tech categories:
None (24) · DE 77 (3) · USPC 416/194 (2) · USPC 244/64 (2) · USPC 244/97 (2) · USPC 244/22 (2) · USPC 244/153R (2) · USPC 244/73R (2) · USPC 244/94 (2)
CPCs:
CPC B64C27/54 (5) · CPC F16B2200/40 (5) · CPC B64C11/04 (5) · CPC F16B2/02 (5) · CPC B64B1/00 (5) · CPC Y10T403/4677 (5) · CPC B64B1/40 (4) · CPC F01D5/06 (3) · CPC B64C1/1407 (3) · CPC B64C11/00 (3) · CPC B64C11/006 (3) · CPC B64C39/005 (3)
First filing:
Cites these patents:
Citations from after 1930:
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