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Sleeping car

US 2,299,343 A · Inventors: PATTON JOHN W

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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 October 20, 1942. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 20, 1959.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 17, 1939
GrantedOctober 20, 1942
Term endedOctober 20, 1959
Application number—
Classification (CPC)B61D31/00
Length4 pages

Timeline

Timeline From USPTO dates

1940194219441946194819501952195419561958Application filedMay 17, 1939Patent grantedOct 20, 1942Term endedOct 20, 1959

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