Expired, full termArchiveSolo inventor
Punching apparatus
US 3,112,666 A · Inventors: TAUSER CHARLES H
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 3, 1963. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 3, 1980.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 29, 1960
GrantedDecember 3, 1963
Term endedDecember 3, 1980
Application number—
Classification (CPC)B21D28/14 +2 more
Length7 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.