Expired, full termArchiveSolo inventor
Die-sinking press for marking plates while in motion
US 3,120,175 A · Inventors: MARTIN GEORGE E
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 February 4, 1964. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 4, 1981.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 28, 1961
GrantedFebruary 4, 1964
Term endedFebruary 4, 1981
Application number—
Classification (CPC)B44B5/0076
Length6 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.