Patent US2513680A successfully refreshed from Google Patents.
US2513680A
Expired / Lapsed
US
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Lime base grease
Assignee: ExxonMobil Oil Corp
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Filing: 1949-01-18
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Granted: 1950-07-04
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Expires: 1969-01-18
Abstract
No abstract record available.
Inventors
- 👤 John E Schott
- 👤 Eldon L Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:26
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/085; C10M2205/00; C10M2205/18; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN IMPROVED LIME BASE GREASE COMPOSITION CHARACTERIZED BY STABILITY AT TEMPERATURES IN EXCESS OF 200*C. AND BY IMPROVED STORAGE STABILITY, COMPRISING LUBRICATING OIL, LIME SOAPS OF FATTY ACIDS IN GREASE FORMING AMOUNTS, A SMALL PROPORTION, SUFFICIENT TO IMPART SAID TEMPERATURE STABILITY, OF A CALCIUM SALT OF A MONACARBOXYLIC FATTY ACID HAVING NOT MORE THAN SIX CARBON ATOMS, AND A SMALL PROPORTION, SUFFICIENT TO IMPART SAID STORAGE STABILITY, OF A LIME SALT OF PHOSPHORIC ACID, PHOSPHORIC ACID HAVING BEEN PRESENT IN THE FORMULATION OF SAID GREASE IN AMOUNTS OF AT LEAST ABOUT 0.1 WEIGHT PER CENT AND NOT EXCEEDING ABOUT 2 WEIGHT PER CENT OF THE GREASE FORMULA.
Claim 2
Dependent Claim
107 words
AN IMPROVED LIME BASE GREASE COMPOSITION CHARACTERIZED BY STABILITY AT TEMPERATURES IN EXCESS OF 200*C. AND BY IMPROVED STORAGE STABILITY, COMPRISING LUBRICATING OIL, LIME SOAPS OF FATTY ACIDS IN GREASE FORMING AMOUNTS, A SMALL PROPORTION, SUFFICIENT TO IMPART SAID TEMPERATURE STABILITY, OF A CALCIUM SALT OF A MONACARBOXYLIC FATTY ACID HAVING NOT MORE THAN SIX CARBON ATOMS, AND A SMALL PROPORTION, SUFFICIENT TO IMPART SAID STORAGE STABILITY, OF A LIME SALT OF PHOSPHORIC ACID, PHOSPHORIC ACID HAVING BEEN PRESENT IN THE FORMULATION OF SAID GREASE IN AMOUNTS OF AT LEAST ABOUT 0.1 WEIGHT PER CENT AND NOT EXCEEDING ABOUT 2 WEIGHT PER CENT OF THE GREASE FORMULA.
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) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |