Patent US3546117A successfully refreshed from Google Patents.
US3546117A
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Thio compounds as additives in fluids used in engines
Assignee: Chevron USA Inc
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Filing: 1968-08-15
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Granted: 1970-12-08
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Expires: 1988-08-15
Abstract
No abstract record available.
Inventors
- 👤 Donald J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:39
CPC Classifications
C; C07; C07C; C07C321/00; C07C317/00; C07C317/16; C07C317/18; C07C317/26; C07C317/28; C08; C08F; C08F8/00; C08F8/06; C08F8/18; C08F8/20; C08F8/22; C08F8/34; C10; C10M; C10M135/00; C10M135/08; C10M135/20; C10M135/22; C10M2203/00; C10M2203/06; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/024; C10M2205/026; C10M2205/028; C10M2205/14; C10M2207/00; C10M2207/04; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2219/00; C10M2219/04; C10M2219/08; C10M2219/082; C10M2221/00; C10M2221/04; C10M2221/041; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2227/00; C10M2227/02; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2318629A
Cited
US2257969A
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US3382180A
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US2947787A
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US3208940A
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US3399146A
Cited
US3390086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |