Expired, full termArchiveSolo inventor
Bearing metal
US 1,754,364 A · Inventors: PAUL KEMP
Overview
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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 April 15, 1930. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 15, 1947.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 11, 1928
GrantedApril 15, 1930
Term endedApril 15, 1947
Application number—
Classification (CPC)C22C11/10 +2 more
Length1 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.