Drilldown: Patents

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Patents > Office: Other & Family year: 1870 - 1879 & Number of text pages: 2-6

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Office: (Click arrow to add another value)
Inventors:
Comte Antoine Apraxine (2) · Ernst Georg August Baumgarten (2) · Georg Fischer (2)
Inventor country:
Applicant person:
None (10) · Georg Fischer (2) · Comte Antoine Apraxine (2) · Ernst Georg August Baumgarten (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
Propulsion (18) · LTA (16) · navigation (9) · propeller (8) · marine (6) · flapping (5) · balloon (5) · human-powered (5) · airplane (4) · hybrid (4) · frame (4) · projectile (3) · military (3) · None (3) · car (3)
Full specification filed date:
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Granted:
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Related to aircraft:
National tech categories:
None (12) · DE 77 (8) · USPC 244/3.23 (2) · USPC 244/28 (2)
CPCs:
None (4) · CPC B64B1/00 (4) · CPC F03D11/00 (3) · CPC B64C27/54 (3) · CPC B64C39/005 (3) · CPC B64B1/40 (2) · CPC B64B1/58 (2) · CPC Y02E10/722 (2) · CPC B64C33/02 (2) · CPC B64C11/346 (2) · CPC F42B10/30 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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