Expired, full termArchiveSolo inventor
Grinding machine
US 2,624,159 A · Inventors: BALSIGER HAROLD 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 January 6, 1953. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 6, 1970.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 21, 1946
GrantedJanuary 6, 1953
Term endedJanuary 6, 1970
Application number—
Classification (CPC)B24B19/022 +1 more
Length14 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.