US2612472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating grease compositions
Assignee: Standard Oil Development Co
•
Filing: 1949-05-28
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Granted: 1952-09-30
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Expires: 1969-05-28
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
2026-11-02 20:17
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/04; C10M2207/044; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/24; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/085; C10N; C10N2010/00; C10N2010/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A LUBRICATING GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH A COMBINATION OF A METAL SOAP OF FATTY ACIDS HAVING BETWEEN 12 AND 24 CARBON ATOMS, A METAL SALT OF AN ORGANIC ACID HAVING A MOLECULAR WEIGHT BELOW ABOUT 160, AND A METAL SOAP OF A BRANCHED CHAIN ALIPHATIC CARBOXYLIC ACID HAVING BETWEEN ABOUT 10 AND ABOUT 20 CARBON ATOMS, OF WHICH AT LEAST 2 CARBON ATOMS ARE TERTIARY AND HAVING AT LEAST ONE THIOETHER LINKAGE IN THE CHAIN.
Claim 2
Dependent Claim
86 words
A LUBRICATING GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH A COMBINATION OF A METAL SOAP OF FATTY ACIDS HAVING BETWEEN 12 AND 24 CARBON ATOMS, A METAL SALT OF AN ORGANIC ACID HAVING A MOLECULAR WEIGHT BELOW ABOUT 160, AND A METAL SOAP OF A BRANCHED CHAIN ALIPHATIC CARBOXYLIC ACID HAVING BETWEEN ABOUT 10 AND ABOUT 20 CARBON ATOMS, OF WHICH AT LEAST 2 CARBON ATOMS ARE TERTIARY AND HAVING AT LEAST ONE THIOETHER LINKAGE IN THE CHAIN.
References Cited (Backward Citations)
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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) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |