US2684944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithium polyorgano siloxane polymer grease compositions
Assignee: Standard Oil Co
•
Filing: 1952-06-02
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Granted: 1954-07-27
•
Expires: 1972-06-02
Abstract
No abstract record available.
Inventors
- 👤 Stephen J Zajac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:50
CPC Classifications
C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/06; C10M2201/063; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/064; C10M2215/24; C10M2215/26; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A LUBRICANT GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF A LIQUID POLYORGANO SILOXANE, FROM ABOUT 1% TO ABOUT 20% OF A LITHIUM SOAP OF A FATTY ACID, AND A FREE BASIC COMPOUND LITHIUM SOAP CONTENT OF SAID COMPOSITION, SAID POLYORGANO SILOXANE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
45 words
A LUBRICANT GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF A LIQUID POLYORGANO SILOXANE, FROM ABOUT 1% TO ABOUT 20% OF A LITHIUM SOAP OF A FATTY ACID, AND A FREE BASIC COMPOUND LITHIUM SOAP CONTENT OF SAID COMPOSITION, SAID POLYORGANO SILOXANE HAVING THE GENERAL FORMULA
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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) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |