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Guide for the movable jaw of a pipe wrench

US 2,742,809 A · Inventors: HANNES BRYNGE 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.

Why it's free to use

  • Granted April 24, 1956. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 24, 1973.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 10, 1954
GrantedApril 24, 1956
Term endedApril 24, 1973
Application number—
Classification (CPC)B25B13/5058 +1 more
Length6 pages

Timeline

Timeline From USPTO dates

1955195719591961196319651967196919711973Application filedNov 10, 1954Patent grantedApril 24, 1956Term endedApril 24, 1973

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