US2512359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions containing beryllium carboxylates
Assignee: Atlantic Richfield Co
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Filing: 1946-10-26
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Granted: 1950-06-20
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Expires: 1966-10-26
Abstract
No abstract record available.
Inventors
- 👤 John F Mcgrogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:23
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/026; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/16; C10M2207/20; C10M2207/22; C10M2207/28; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/02; C10M2219/024; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A LUBRICATING OIL COMPOSITION COMPRISING HYDROCARBON OIL AND A BERYLIUM SALT OF A CARBOXYLIC ACID CONTINING FROM 6 TO 18 CARBON ATOMS, SAID SALT BEING PRESENT IN AN AMOUNT SUFFICIENT TO IMPROVE THE DETERGENCY OF THE OIL WHEN USED IN THE LUBRICATION OF INTERNAL COMBUSTION ENGINES.
Claim 2
Dependent Claim
46 words
A LUBRICATING OIL COMPOSITION COMPRISING HYDROCARBON OIL AND A BERYLIUM SALT OF A CARBOXYLIC ACID CONTINING FROM 6 TO 18 CARBON ATOMS, SAID SALT BEING PRESENT IN AN AMOUNT SUFFICIENT TO IMPROVE THE DETERGENCY OF THE OIL WHEN USED IN THE LUBRICATION OF INTERNAL COMBUSTION ENGINES.
References Cited (Backward Citations)
US2322307A
Cited
US2320392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |