US2943052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition
Assignee: ConocoPhillips Co
•
Filing: 1955-12-08
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Granted: 1960-06-28
•
Expires: 1975-12-08
Abstract
No abstract record available.
Inventors
- 👤 Carlyle Robert Lewis
- 👤 Earl F Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:37
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/08; C10M135/10; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A COMPOUNDED MINERAL OIL COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 98.0 TO ABOUT 98.5 WEIGHT PERCENT OF A MINERAL LUBRICATING OIL AND FROM ABOUT 2.0 TO ABOUT 1.5 WEIGHT PERCENT OF AN OIL SOLUBLE MIXTURE CONSISTING OF AN ALKALI METAL SULFONATE AND AN ALKALINE EARTH METAL SULFONATE IN A WEIGHT RATIO OF FROM 7:3 TO 9:3, SAID SULFONATES BEING ALKARYL SULFONATES CONTAINING FROM ABOUT 20 TO ABOUT 30 CARBON ATOMS.
Claim 2
Dependent Claim
70 words
A COMPOUNDED MINERAL OIL COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 98.0 TO ABOUT 98.5 WEIGHT PERCENT OF A MINERAL LUBRICATING OIL AND FROM ABOUT 2.0 TO ABOUT 1.5 WEIGHT PERCENT OF AN OIL SOLUBLE MIXTURE CONSISTING OF AN ALKALI METAL SULFONATE AND AN ALKALINE EARTH METAL SULFONATE IN A WEIGHT RATIO OF FROM 7:3 TO 9:3, SAID SULFONATES BEING ALKARYL SULFONATES CONTAINING FROM ABOUT 20 TO ABOUT 30 CARBON ATOMS.
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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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |