US3459518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfonyl substituted terpolymer fuel detergents
Assignee: Chevron USA Inc
•
Filing: 1966-12-22
•
Granted: 1969-08-05
•
Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Enver Mehmedbasich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:30
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2462; C10L1/2468; C08; C08F; C08F10/00; C08F22/00; C08F22/36; C08F28/00; C08F8/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3051562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |