Expired, full termArchiveSolo inventor
Hand-guided and chain-driven bark-removing tool
US 2,637,357 A · Inventors: JOHNSON LOUIS W et al.
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
Read the whole patent
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
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.