Patent US3413104A successfully refreshed from Google Patents.
US3413104A
Expired / Lapsed
US
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Imides of olefin-maleic anhydride copolymers as diesel fuel additives
Assignee: Chevron USA Inc
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Filing: 1966-06-03
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Granted: 1968-11-26
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Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 Mehmedbasich Enver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:24
CPC Classifications
C; C08; C08F; C08F8/00; C08F10/00; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/236; C10L1/2364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3010810A
Cited
US3235503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |