Patent US2586693A successfully refreshed from Google Patents.
US2586693A
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Lubricating grease
Assignee: Standard Oil Development Co
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Filing: 1949-11-01
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Granted: 1952-02-19
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Expires: 1969-11-01
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Louis A Mikeska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:59
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/22; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2010/00; C10N2010/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN IMPROVED LUBRICATING COMPOSITION WHICH COMPRISES A MAJOR PROPORTION OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH THE ALKALI METAL SOAPS OF A MIXTURE OF ABOUT 2.25% TO 17% BY WEIGHT OF A HIGH MOLECULAR WEIGHT SUBSTANTIALLY SATURATED FATTY ACID HAVING FROM 16 TO 20 CARBON ATOMS, FROM ABOUT 0.5% TO 4.0% BY WEIGHT OF A LOW MOLECULAR WEIGHT FATTY ACID HAVING FROM 1 TO 4 CARBON ATOMS, AND ABOUT 0.25% TO 2% BY WIGHT OF AN ARYL-ALIPHATIC ACID CONTAINING IN THE ALIPHATIC PORTION A HYDROCARBON CHAIN OF FROM 8 TO 20 CARBON ATOMS.
Claim 2
Dependent Claim
96 words
AN IMPROVED LUBRICATING COMPOSITION WHICH COMPRISES A MAJOR PROPORTION OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH THE ALKALI METAL SOAPS OF A MIXTURE OF ABOUT 2.25% TO 17% BY WEIGHT OF A HIGH MOLECULAR WEIGHT SUBSTANTIALLY SATURATED FATTY ACID HAVING FROM 16 TO 20 CARBON ATOMS, FROM ABOUT 0.5% TO 4.0% BY WEIGHT OF A LOW MOLECULAR WEIGHT FATTY ACID HAVING FROM 1 TO 4 CARBON ATOMS, AND ABOUT 0.25% TO 2% BY WIGHT OF AN ARYL-ALIPHATIC ACID CONTAINING IN THE ALIPHATIC PORTION A HYDROCARBON CHAIN OF FROM 8 TO 20 CARBON ATOMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |