Patent US2690429A successfully refreshed from Google Patents.
US2690429A
Expired / Lapsed
US
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Grease compositions containing an aryl oxy alkyl salt as a stabilizer
Assignee: Standard Oil Development Co
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Filing: 1952-04-07
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Granted: 1954-09-28
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Expires: 1972-04-07
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Jr Paul V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:50
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/142; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/108; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF A LUBRICATING OIL THICKENED TO GREASE CONSISTENCY WITH FROM 5% TO 20% BY WEIGHT OF A MIXTURE OF FROM ONE TO THREE PARTS OF AN ALKALI METAL SOAP OF A HIGH MOLECULAR WEIGHT FATTY ACID AND FROM ONE TO TWO PARTS OF AN ALKALI METAL SALT OF A MATERIAL HAVING THE FORMULA
Claim 2
Dependent Claim
59 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF A LUBRICATING OIL THICKENED TO GREASE CONSISTENCY WITH FROM 5% TO 20% BY WEIGHT OF A MIXTURE OF FROM ONE TO THREE PARTS OF AN ALKALI METAL SOAP OF A HIGH MOLECULAR WEIGHT FATTY ACID AND FROM ONE TO TWO PARTS OF AN ALKALI METAL SALT OF A MATERIAL HAVING THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |