US2914478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antirust composition
Assignee: Union Oil Company of California
•
Filing: 1953-09-28
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Granted: 1959-11-24
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Expires: 1973-09-28
Abstract
No abstract record available.
Inventors
- 👤 Loren L Neff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:00
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C10M2207/00; C10M2207/28; C10M2207/287; C10M2207/289; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A COMPOSITION FOR PROTECTING FERROUS METAL SURFACES AGAINST RUSTING CONSISTING ESSENTIALLY OF A HYDROCARBON OIL FRACTION CONTAINING BETWEEN ABOUT 0.1% AND ABOUT 4% BY WEIGHT OF A TRIESTER OF THIOPHOSPHIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
34 words
A COMPOSITION FOR PROTECTING FERROUS METAL SURFACES AGAINST RUSTING CONSISTING ESSENTIALLY OF A HYDROCARBON OIL FRACTION CONTAINING BETWEEN ABOUT 0.1% AND ABOUT 4% BY WEIGHT OF A TRIESTER OF THIOPHOSPHIC ACID HAVING THE 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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |