US2518577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of organic compounds
Assignee: Universal Oil Products Co
•
Filing: 1947-04-29
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Granted: 1950-08-15
•
Expires: 1967-04-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Thompson
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:54
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/223; C10L1/2235; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C10M; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
CRACKED GASOLINE CONTAINING FROM ABOUT 0.0001% TO ABOUT 0.01% BY WEIGHT OF AN INHIBITOR HAVING THE FORMULA:
Claim 2
Dependent Claim
17 words
CRACKED GASOLINE CONTAINING FROM ABOUT 0.0001% TO ABOUT 0.01% BY WEIGHT OF AN INHIBITOR 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) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |