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Rack-and-cam operated locking means for the slidable jaw of a slidable inner jaw wrench

US 2,748,639 A · Inventors: ALFRED HUFSCHMID

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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 June 5, 1956. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 5, 1973.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 29, 1954
GrantedJune 5, 1956
Term endedJune 5, 1973
Application number—
Classification (CPC)B25B13/18
Length3 pages

Timeline

Timeline From USPTO dates

1955195719591961196319651967196919711973Application filedJune 29, 1954Patent grantedJune 5, 1956Term endedJune 5, 1973

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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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