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Method of making binding posts

US 1,440,802 A · Inventors: AUGUST SMITH OSCAR

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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 2, 1923. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 2, 1940.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 16, 1920
GrantedJanuary 2, 1923
Term endedJanuary 2, 1940
Application number—
Classification (CPC)B21J5/12 +2 more
Length4 pages

Timeline

Timeline From USPTO dates

1921192319251927192919311933193519371939Application filedDec 16, 1920Patent grantedJan 2, 1923Term endedJan 2, 1940

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