US2980616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soap thickened lubricating grease containing formamide
Assignee: Texaco Inc
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Filing: 1958-02-06
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Granted: 1961-04-18
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Expires: 1978-02-06
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Knowles
- 👤 Norman R Odell
- 👤 Joseph F Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:37
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/066; C10M2215/067; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A LUBRICATING GREASE CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH ABOUT 7-30 PERCENT BY WEIGHT OF A LITHIUM HYDROXY FATTY ACID SOAP AND CONTAINING FORMAMIDE IN AN AMOUNT FROM ABOVE 1 PERCENT TO ABOUT 10 PERCENT BY WEIGHT, SUFFICIENT TO IMPART RUST PREVENTIVENESS TO THE SAID GREASE IN THE WATER WASHING AND RUSTING TEST.
Claim 2
Dependent Claim
60 words
A LUBRICATING GREASE CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH ABOUT 7-30 PERCENT BY WEIGHT OF A LITHIUM HYDROXY FATTY ACID SOAP AND CONTAINING FORMAMIDE IN AN AMOUNT FROM ABOVE 1 PERCENT TO ABOUT 10 PERCENT BY WEIGHT, SUFFICIENT TO IMPART RUST PREVENTIVENESS TO THE SAID GREASE IN THE WATER WASHING AND RUSTING TEST.
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |