Expired, full termArchiveSolo inventor
Metallic dibasic fatty soap based greases
US 3,828,086 A · Inventors: DONAHUE C 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 August 6, 1974. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 6, 1991.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 25, 1972
GrantedAugust 6, 1974
Term endedAugust 6, 1991
Application number—
Classification (CPC)C10M5/00 +2 more
Length2 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.