Expired, full termArchiveSolo inventor
Knife for skinning hides
US 3,624,902 A · Inventors: UMHOLTZ FRANKLYN G
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 December 7, 1971. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 7, 1988.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 13, 1969
GrantedDecember 7, 1971
Term endedDecember 7, 1988
Application number—
Classification (CPC)A22B5/163
Length5 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.