US3157477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-acylated aminohydroxy compound as a multi-functional gasoline additive
Assignee: Standard Oil Co
•
Filing: 1961-10-03
•
Granted: 1964-11-17
•
Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Donald D Emrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:34
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A HYDROCARBON FUEL OF THE GASOLINE BOILING RANGE CONTAINING FROM 0.001 TO 0.05 WT. PERCENT OF
Claim 2
Dependent Claim
16 words
A HYDROCARBON FUEL OF THE GASOLINE BOILING RANGE CONTAINING FROM 0.001 TO 0.05 WT. PERCENT OF
References Cited (Backward Citations)
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Cited
US2614981A
Cited
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Cited
US2906613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |