Expired, full termArchiveSolo inventor
Petroleum lubricating jelly
US 2,320,002 A · Inventors: LUTZ WILLIAM A et al.
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
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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 May 25, 1943. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 25, 1960.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 22, 1941
GrantedMay 25, 1943
Term endedMay 25, 1960
Application number—
Classification (CPC)A47C23/0515 +2 more
Length4 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.