US2581132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil
Assignee: Texaco Inc
•
Filing: 1949-07-13
•
Granted: 1952-01-01
•
Expires: 1969-07-13
Abstract
No abstract record available.
Inventors
- 👤 Roy F Nelson
- 👤 Alton J Deutser
- 👤 Melvin R Hefty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/18; C10M2207/00; C10M2207/28; C10M2207/287; C10M2207/289; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/22; C10M2215/223; C10M2215/224; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A LUBRICATING COMPOSITION ADAPTED TO FORM A WATER-IN-OIL EMULSION IN THE PRESENCE OF WATER, WITH THE WATER IN THE DISCONTINUOUS PHASE, COMPRISING A MINERAL LUBRICATING OIL AS THE PREDOMINANT CONSTITUENT, AND CONSTITUTING AT LEAST 90% BY WEIGHT OF THE COMPOSITION, AND ABOUT 0.050.4% BY WEIGHT BASED ON THE COMPOSITION OF A SUBSTITUTED GLYOXALIDINE HAVING THE FORMULA
Claim 2
Dependent Claim
56 words
A LUBRICATING COMPOSITION ADAPTED TO FORM A WATER-IN-OIL EMULSION IN THE PRESENCE OF WATER, WITH THE WATER IN THE DISCONTINUOUS PHASE, COMPRISING A MINERAL LUBRICATING OIL AS THE PREDOMINANT CONSTITUENT, AND CONSTITUTING AT LEAST 90% BY WEIGHT OF THE COMPOSITION, AND ABOUT 0.050.4% BY WEIGHT BASED ON THE COMPOSITION OF A SUBSTITUTED GLYOXALIDINE HAVING THE FORMULA
References Cited (Backward Citations)
US1516879A
Cited
US2193771A
Cited
US2214152A
Cited
US2268273A
Cited
US2387157A
Cited
US2431008A
Cited
US2422075A
Cited
US2402373A
Cited
US2470405A
Cited
US2493483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |