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US2602049A Expired / Lapsed US ⏱️ 0.0 years remaining

Antioxidants for mineral oil lubricants and compositions containing the same

Assignee: Gulf Oil Corp
•
Filing: 1948-12-24
•
Granted: 1952-07-01
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Expires: 1968-12-24
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Abstract

No abstract record available.

Inventors

  • 👤 Herschel G Smith
  • 👤 Troy L Cantrell
  • 👤 Mark L Hill

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 04:18
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2658; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/11; C10M; C10M1/00; C10M1/08; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10N; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 30 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR AMOUNT OF A MINERAL LUBRICANTING OIL AND A MINOR AMOUNT, SUFFICIENT TO STABILIZE THE COMPOSITION AGAINST OXIDATIVE DETERIORATION, OF A COMPOUND HAVING THE FORMULA:

References Cited (Backward Citations)

US2442024A Cited
US2080299A Cited
US2268608A Cited
US2371851A Cited
US2387537A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-07-01 1955-12-31 1956-07-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-07-01 1959-12-31 1960-07-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-07-01 1963-12-31 1964-07-01 $7700.00 Window Closed / Lapsed

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