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Plumbing fixture

US 1,793,252 A · Inventors: HERMAN ROTH

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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 February 17, 1931. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 17, 1948.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 27, 1926
GrantedFebruary 17, 1931
Term endedFebruary 17, 1948
Application number—
Classification (CPC)F16K31/408
Length3 pages

Timeline

Timeline From USPTO dates

19271930193319361939194219451948Application filedFeb 27, 1926Patent grantedFeb 17, 1931Term endedFeb 17, 1948

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