Patent US2575286A successfully refreshed from Google Patents.
US2575286A
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Lubricating grease composition
Assignee: Standard Oil Development Co
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Filing: 1949-07-29
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Granted: 1951-11-13
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Expires: 1969-07-29
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
2026-10-25 21:24
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; 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
52 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH FROM 5 TO 20% BY WEIGHT OF MIXTURE OF AN ALKALI METAL SOAP OF A HIGH MOLECULAR WEIGHT FATTY ACID AND AN ALKALI METAL SALT OF A LOW MOLECULAR WEIGHT OXY ACID HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
52 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH FROM 5 TO 20% BY WEIGHT OF MIXTURE OF AN ALKALI METAL SOAP OF A HIGH MOLECULAR WEIGHT FATTY ACID AND AN ALKALI METAL SALT OF A LOW MOLECULAR WEIGHT OXY ACID HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2487080A
Cited
US2468098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |