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Mop wringer

US 1,725,213 A · Inventors: SOLOMON SCHULMAN

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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 20, 1929. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 20, 1946.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 31, 1928
GrantedAugust 20, 1929
Term endedAugust 20, 1946
Application number—
Classification (CPC)A47L13/58
Length3 pages

Timeline

Timeline From USPTO dates

192919311933193519371939194119431945Application filedJan 31, 1928Patent grantedAug 20, 1929Term endedAug 20, 1946

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