Expired, full termArchiveSolo inventor
Method of rolling disks and rolling mill therefor
US 1,708,321 A · Inventors: OTTE OTHO M
Overview
6 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 April 9, 1929. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 9, 1946.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 3, 1921
GrantedApril 9, 1929
Term endedApril 9, 1946
Application number—
Classification (CPC)B21H1/02 +1 more
Length12 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.