Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Office: US & Number of claims: 2-3

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Office: (Click arrow to add another value)
Inventors:
Eleazer Kempshall (3) · Frank M. Ashley (2)
Inventor country:
Applicant person:
None (12) · Eleazer Kempshall (3) · Frank M. Ashley (2)
Applicant is inventor:
Tech fields:
LTA (16) · propulsion (13) · frame (9) · propeller (8) · parachute (8) · kite (6) · fabric (6) · marine propulsion (6) · balloon (6) · stability (5) · projectile (5) · navigation (5) · military (5) · None (5) · cargo (4) · Windmill (4)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (18) · Munn & Co. (4) · Franklin H. Hough (2) · Richards & Co. (2)
National tech categories:
None (20) · USPC 244/30 (5) · USPC 24/713.8 (4) · USPC 244/3.23 (4) · USPC 244/153R (4) · USPC 416/113 (3) · USPC 244/26 (3) · USPC 416/98 (2) · USPC 244/32 (2) · USPC 104/22 (2)
CPCs:
CPC B64B1/00 (17) · CPC Y10T24/3747 (7) · CPC B64C27/54 (7) · CPC B64C11/006 (6) · CPC B64C11/48 (5) · CPC F05B2260/74 (4) · CPC A63H27/08 (4) · CPC F42B10/30 (4) · CPC Y02E10/74 (4) · CPC B64B1/40 (3) · CPC F03D3/00 (3) · CPC F01D5/06 (2) · CPC B64C13/06 (2) · CPC B64C11/00 (2) · CPC B64B1/50 (2) · CPC B63H1/12 (2) · CPC B63H5/10 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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