Patent US2768138A successfully refreshed from Google Patents.
US2768138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complex basic aluminum soap greases
Assignee: California Research LLC
•
Filing: 1952-10-18
•
Granted: 1956-10-23
•
Expires: 1972-10-18
Abstract
No abstract record available.
Inventors
- 👤 Bruce W Hotten
- 👤 Robert E Echols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:24
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/085; C10M2201/087; C10M2201/10; C10M2201/102; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/16; C10M2207/20; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2209/109; C10M2209/12; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/02; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A HYDROCARBON LUBRICATING OIL AND, IN AN AMOUNT SUFFICIENT TO FORM A GREASE, A COMPLEX BASIC ALUMINUM SOAP, SAID COMPLEX BASIC ALUMINUM SOAP BEING AN ALUMINUM BENZOATE STEARATE WHEREIN THE BENZOATE ANION-STERATE ANION RATIO HAS A VALUE FROM 0.2 TO ABOUT 5.
Claim 2
Dependent Claim
52 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A HYDROCARBON LUBRICATING OIL AND, IN AN AMOUNT SUFFICIENT TO FORM A GREASE, A COMPLEX BASIC ALUMINUM SOAP, SAID COMPLEX BASIC ALUMINUM SOAP BEING AN ALUMINUM BENZOATE STEARATE WHEREIN THE BENZOATE ANION-STERATE ANION RATIO HAS A VALUE FROM 0.2 TO ABOUT 5.
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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |