Patent US2963433A successfully refreshed from Google Patents.
US2963433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant composition
Assignee: Standard Oil Co
•
Filing: 1957-12-02
•
Granted: 1960-12-06
•
Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Randel Q Little
- 👤 Roger W Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:00
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/54; C07D263/58; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/76; C07D277/78; C10; C10M; C10M135/00; C10M135/32; C10M135/36; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/06; C10M2219/062; C10M2219/09; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A LUBRICANT COMPOSITION NON-CORROSIVE TO SILVER AND COPPER IN THE PRESENCE OF A SULFUR COMPOUND NORMALLY CORROSIVE TO SILVER AND COPPER COMPRISING A MAJOR PROPORTION OF AN OLEAGINOUS LUBRICATING VEHICLE CONTAINING A SULFUR COMPOUND NORMALLY CORROSIVE TO SILVER AND COPPER, AND FROM ABOUT 0.05% TO ABOUT 5.0% OF AN OIL-SOLUBLE HETEROCYCLIC COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
56 words
A LUBRICANT COMPOSITION NON-CORROSIVE TO SILVER AND COPPER IN THE PRESENCE OF A SULFUR COMPOUND NORMALLY CORROSIVE TO SILVER AND COPPER COMPRISING A MAJOR PROPORTION OF AN OLEAGINOUS LUBRICATING VEHICLE CONTAINING A SULFUR COMPOUND NORMALLY CORROSIVE TO SILVER AND COPPER, AND FROM ABOUT 0.05% TO ABOUT 5.0% OF AN OIL-SOLUBLE HETEROCYCLIC COMPOUND HAVING THE GENERAL FORMULA
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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |