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Sanitary commode chair

US 1,522,016 A · Inventors: HOPP CLEMENTINE L

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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 January 6, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 6, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 17, 1921
GrantedJanuary 6, 1925
Term endedJanuary 6, 1942
Application number—
Classification (CPC)A47K11/04
Length3 pages

Timeline

Timeline From USPTO dates

1922192519281931193419371940Application filedDec 17, 1921Patent grantedJan 6, 1925Term endedJan 6, 1942

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