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Hand-guided and chain-driven bark-removing tool

US 2,637,357 A · Inventors: JOHNSON LOUIS W 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 May 5, 1953. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 5, 1970.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 30, 1951
GrantedMay 5, 1953
Term endedMay 5, 1970
Application number—
Classification (CPC)B27L1/06
Length5 pages

Timeline

Timeline From USPTO dates

1952195419561958196019621964196619681970Application filedAug 30, 1951Patent grantedMay 5, 1953Term endedMay 5, 1970

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