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US 2,516,366 A · Inventors: CLARK EARL A

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The published document from the USPTO: abstract, claims, description and drawings. Open it full size

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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 July 25, 1950. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 25, 1967.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 9, 1944
GrantedJuly 25, 1950
Term endedJuly 25, 1967
Application number—
Classification (CPC)A47D9/016 +1 more
Length5 pages

Timeline

Timeline From USPTO dates

19451948195119541957196019631966Application filedMay 9, 1944Patent grantedJuly 25, 1950Term endedJuly 25, 1967

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