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Hydrocarbon oil lubricant containing di-tertiary-alkyl sulfides

US 2,526,041 A · Inventors: OLIN JOHN F

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  • Granted October 17, 1950. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 17, 1967.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 6, 1944
GrantedOctober 17, 1950
Term endedOctober 17, 1967
Application number—
Classification (CPC)C10M1/08 +2 more
Length3 pages

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Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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