US2533205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal deactivators
Assignee: Universal Oil Products Co
•
Filing: 1947-10-27
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Granted: 1950-12-12
•
Expires: 1967-10-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:24
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/228; C10L1/2283; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C11; C11B; C11B5/00; C11B5/0042
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
GASOLINE CONTAINING UNSATURATED HYDROCARBONS WHICH TEND TO FORM GUMS AND A METAL COMPOUND WHICH NORMALLY CATALYZES OXIDATIVE DETERIORATION AND ADDITONALLY CONTAINING A SMALL AMOUNT OF A METAL DEACTIVATOR HAVING THE GENERAL FORMUAL
References Cited (Backward Citations)
US2181122A
Cited
US2284267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |