US2628949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized lithium base grease
Assignee: ExxonMobil Oil Corp
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Filing: 1951-02-14
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Granted: 1953-02-17
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Expires: 1971-02-14
Abstract
No abstract record available.
Inventors
- 👤 Richard A Butcosk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:41
CPC Classifications
C; C10; C10M; C10M7/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/109; C10M2219/00; C10M2219/02; C10M2219/024; C10M2223/00; C10M2223/06; C10M2223/061; C10M2223/065; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2020/00; C10N2020/01; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
IN A LITHIUM BASE GREASE COMPRISING A LUBRICATING LIQUID COMPRISING AN ESTER OF AN ORGANIC ACID AND AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ESTERS OF ALIPHATIC DIABASIC ACIDS AND OF ALCOHOLS HAVING FROM ABOUT FOUR TO ABOUT TEN CARBON ATOMS PER MOLECULE AND ESTERS REPRESENTED BY GENERAL FORMULA
Claim 2
Dependent Claim
50 words
IN A LITHIUM BASE GREASE COMPRISING A LUBRICATING LIQUID COMPRISING AN ESTER OF AN ORGANIC ACID AND AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ESTERS OF ALIPHATIC DIABASIC ACIDS AND OF ALCOHOLS HAVING FROM ABOUT FOUR TO ABOUT TEN CARBON ATOMS PER MOLECULE AND ESTERS REPRESENTED BY GENERAL 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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |