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Expired, full termArchiveSolo inventor

Quick-attaching curtain-pole and shade-roller

US 1,370,862 A · Inventors: FRED VASGER

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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 March 8, 1921. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 8, 1938.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 9, 1919
GrantedMarch 8, 1921
Term endedMarch 8, 1938
Application number—
Classification (CPC)A47H1/022
Length3 pages

Timeline

Timeline From USPTO dates

1920192219241926192819301932193419361938Application filedSep 9, 1919Patent grantedMarch 8, 1921Term endedMarch 8, 1938

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