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Foot-treatment device

US 2,139,263 A · Inventors: FAY CARL F

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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 December 6, 1938. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 6, 1955.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 26, 1938
GrantedDecember 6, 1938
Term endedDecember 6, 1955
Application number—
Classification (CPC)A43B23/227
Length3 pages

Timeline

Timeline From USPTO dates

193919411943194519471949195119531955Application filedFeb 26, 1938Patent grantedDec 6, 1938Term endedDec 6, 1955

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