Drilldown: Patents

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Patents > Year granted: 1870 - 1879 & Number of diagram pages: 1-3 & Number of figures: 2-4

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Office:
Inventors:
Comte Antoine Apraxine (2) · James Hartness (2)
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Applicant person:
None (6) · James Hartness (2) · Comte Antoine Apraxine (2)
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Tech fields:
LTA (13) · propulsion (12) · propeller (8) · military (5) · marine (5) · projectile (5) · balloon (4) · car (4) · flapping (4) · kite (3) · frame (3) · paddle-wheels (3)
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National tech categories:
None (20) · USPC 244/3.23 (3) · USPC 244/119 (2) · USPC 244/73R (2) · USPC 244/28 (2) · USPC 416/194 (2) · USPC 244/94 (2)
CPCs:
CPC B64C27/54 (5) · CPC B64B1/00 (4) · CPC B64B1/40 (4) · CPC F01D5/06 (3) · CPC Y10T403/4677 (3) · CPC F16B2/02 (3) · CPC F16B2200/40 (3) · CPC B64C11/04 (3) · CPC B64C11/00 (3) · CPC B64C11/006 (2) · CPC B64C27/322 (2) · CPC F42B10/30 (2) · CPC Y02E10/223 (2) · CPC B64C11/36 (2) · None (2) · CPC B64C1/1407 (2)
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