US2666744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfurized grease compositions
Assignee: California Research LLC
•
Filing: 1952-03-05
•
Granted: 1954-01-19
•
Expires: 1972-03-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:12
CPC Classifications
C; C10; C10M; C10M5/00; C10M7/00; C10M2201/00; C10M2201/10; C10M2201/105; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2209/109; C10M2219/00; C10M2219/02; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OIL OF LUBRICATING VISCOSITY AND FROM 3% TO 50% OF A SULFURIZED METAL SOAP THICKENING AGENT OBTAINED BY REACTING SULFUR WITH A METAL SOAP OF AN UNSATURATED FATTY ACID AND CONTAINING FROM 0.25 TO 1.0 ATOM OF SULFUR PER DOUBLE BOND.
Claim 2
Dependent Claim
50 words
A GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OIL OF LUBRICATING VISCOSITY AND FROM 3% TO 50% OF A SULFURIZED METAL SOAP THICKENING AGENT OBTAINED BY REACTING SULFUR WITH A METAL SOAP OF AN UNSATURATED FATTY ACID AND CONTAINING FROM 0.25 TO 1.0 ATOM OF SULFUR PER DOUBLE BOND.
References Cited (Backward Citations)
US1957259A
Cited
US2212189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |