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Art of combustion of liquid fuels

US 2,000,580 A · Inventors: CARRUTHERS EBEN H

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted May 7, 1935. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 7, 1952.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 19, 1931
GrantedMay 7, 1935
Term endedMay 7, 1952
Application number—
Classification (CPC)F23N1/047
Length6 pages

Timeline

Timeline From USPTO dates

1932193519381941194419471950Application filedMay 19, 1931Patent grantedMay 7, 1935Term endedMay 7, 1952

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