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Pneumatic tool

US 1,874,063 A · Inventors: RENFER JOHN E

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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 August 30, 1932. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 30, 1949.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 1, 1929
GrantedAugust 30, 1932
Term endedAugust 30, 1949
Application number—
Classification (CPC)B25D9/20 +1 more
Length5 pages

Timeline

Timeline From USPTO dates

1930193219341936193819401942194419461948Application filedJuly 1, 1929Patent grantedAug 30, 1932Term endedAug 30, 1949

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