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US3378490A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricant compositions and antioxidants therefor

Assignee: Chevron USA Inc
•
Filing: 1965-10-08
•
Granted: 1968-04-16
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Expires: 1985-10-08
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Abstract

No abstract record available.

Inventors

  • 👤 Bruce W Hotten

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 09:12
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/065; C10M2201/066; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2215/00; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2387547A Cited
US3250708A Cited
US3312698A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-16 1971-10-16 1972-04-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-16 1975-10-16 1976-04-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-16 1979-10-16 1980-04-16 $7700.00 Window Closed / Lapsed

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