US3245909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition
Assignee: Chevron USA Inc
•
Filing: 1963-11-18
•
Granted: 1966-04-12
•
Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Lowe Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:10
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/10; C10M2207/14; C10M2207/141; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10M2217/046; C10M2217/06; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2040/00; C10N2040/02; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A LUBRICANT COMPRISING A MAJOR PORTION OF AN OIL OF LUBRICATING VISCOSITY IN COMBINATION WITH A MINOR PORTION OF AN ALKENYL SUCCINIMIDE LUBRICATING OIL DETERGENT SUFFICIENT TO IMPART DETERGENCY, SAID COMBINATION BEING CORROSIVE TO METAL SUFACES IN NORMAL USE AND A MINOR PORTION SUFFICIENT TO INHIBIT CORROSION, OF 2,4-DIHYDROBENZOIC ACID.
Claim 2
Dependent Claim
50 words
A LUBRICANT COMPRISING A MAJOR PORTION OF AN OIL OF LUBRICATING VISCOSITY IN COMBINATION WITH A MINOR PORTION OF AN ALKENYL SUCCINIMIDE LUBRICATING OIL DETERGENT SUFFICIENT TO IMPART DETERGENCY, SAID COMBINATION BEING CORROSIVE TO METAL SUFACES IN NORMAL USE AND A MINOR PORTION SUFFICIENT TO INHIBIT CORROSION, OF 2,4-DIHYDROBENZOIC ACID.
References Cited (Backward Citations)
US1854898A
Cited
US2194478A
Cited
US2366074A
Cited
US2434978A
Cited
GB612775A
Cited
US2715108A
Cited
US2809160A
Cited
GB815050A
Cited
US2776917A
Cited
US2991251A
Cited
GB922831A
Cited
FR1254094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |