Patent US3483125A successfully refreshed from Google Patents.
US3483125A
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US
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Polymeric additives for lubricating oil
Assignee: Sinclair Research Inc
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Filing: 1967-07-26
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Granted: 1969-12-09
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Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Clough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:58
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10M145/10; C10M145/12; C08; C08F; C08F10/00; C08F20/00; C08F20/62; C08F240/00; C08F246/00; C08F8/00; C08F8/30; C08F8/32; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2205/06; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/02; C10M2217/024; C10M2217/028; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/046; C10M2217/06
Claims Analysis
Total Claims: 0
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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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |