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Split hub head for cylinders for spinning frames, spollers, and cylinders of like nature

US 1,451,982 A · Inventors: WINGO HERRON 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 April 17, 1923. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 17, 1940.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 7, 1922
GrantedApril 17, 1923
Term endedApril 17, 1940
Application number—
Classification (CPC)D01H1/20 +1 more
Length3 pages

Timeline

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192319251927192919311933193519371939Application filedMarch 7, 1922Patent grantedApril 17, 1923Term endedApril 17, 1940

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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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