Expired, full termArchiveSolo inventor
Machine to pierce twenty holes in a wheel hub sheel for long spokes
US 1,946,992 A · Inventors: HERMAN TORMYN 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 February 13, 1934. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 13, 1951.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 29, 1932
GrantedFebruary 13, 1934
Term endedFebruary 13, 1951
Application number—
Classification (CPC)B21D28/32 +2 more
Length8 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.