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US 1,536,799 A · Inventors: LA BOMBARD LEON E et al.

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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 May 5, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 5, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 27, 1923
GrantedMay 5, 1925
Term endedMay 5, 1942
Application number—
Classification (CPC)B65H3/0661
Length5 pages

Timeline

Timeline From USPTO dates

1924192619281930193219341936193819401942Application filedJuly 27, 1923Patent grantedMay 5, 1925Term endedMay 5, 1942

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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