Drilldown: Patents

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Patents > Year filed: 1870 - 1879 & Number of claims: 1-2

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Office:
Inventors:
James Hartness (2) · James J. Pennington (2) · Comte Antoine Apraxine (2)
Inventor country:
Applicant person:
None (4) · James Hartness (2) · Comte Antoine Apraxine (2)
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Tech fields:
LTA (13) · propulsion (10) · hand tools (5) · propeller (5) · projectile (5) · military (5) · kite (5) · car (4) · marine (4) · Airplane (3) · balloon (3) · parachute (3) · hybrid (3) · navigation (3) · fasteners (3)
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National tech categories:
None (23) · DE 77 (3) · USPC 244/3.23 (3) · USPC 244/153R (3) · USPC 244/73R (2) · USPC 244/94 (2) · USPC 244/97 (2) · USPC 416/194 (2)
CPCs:
CPC Y10T403/4677 (6) · CPC F16B2200/40 (6) · CPC F16B2/02 (6) · CPC B64C11/04 (6) · CPC B64B1/40 (4) · CPC B64C27/54 (4) · None (3) · CPC B64C11/006 (3) · CPC A63H27/08 (3) · CPC B64B1/00 (3) · CPC B64C1/1407 (3) · CPC Y10T292/0906 (2) · CPC Y02E10/74 (2) · CPC F42B10/30 (2) · CPC F05B2260/72 (2) · CPC F01D5/06 (2) · CPC B64C39/005 (2) · CPC B63H1/04 (2) · CPC A63B71/0672 (2) · CPC B64C11/00 (2)
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Cites these patents:
Citations from after 1930:
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