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Plating half-rotary feed guide

US 1,461,684 A · Inventors: HENRY SEYMOUR NAPOLEON

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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.

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Why it's free to use

  • Granted July 10, 1923. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 10, 1940.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 4, 1922
GrantedJuly 10, 1923
Term endedJuly 10, 1940
Application number—
Classification (CPC)D04B15/54 +2 more
Length7 pages

Timeline

Timeline From USPTO dates

192319251927192919311933193519371939Application filedMay 4, 1922Patent grantedJuly 10, 1923Term endedJuly 10, 1940

Sources & verification

Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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Everything on this page comes from the USPTO record linked above.