Patent US3462249A successfully refreshed from Google Patents.
US3462249A
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Fuel oil compositions containing grafted polymers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1967-03-31
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Granted: 1969-08-19
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Expires: 1987-03-31
Abstract
No abstract record available.
Inventors
- 👤 Norman Tunkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:16
CPC Classifications
C; C10; C10M; C10M149/00; C10M149/02; C08; C08F; C08F255/00; C08F263/00; C08F263/02; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/146; C10M143/00; C10M145/00; C10M145/02; C10L1/16; C10L1/1625; C10L1/1633; C10L1/1641; C10L1/165; C10L1/18; C10L1/192; C10L1/195; C10L1/22; C10L1/234; C10L1/236; C10L1/2366; C10L1/2368; C10M2201/00; C10M2201/08; C10M2201/082; C10M2201/083; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2205/04; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2209/086; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/028; C10M2217/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2379728A
Cited
US2543964A
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US2544376A
Cited
GB822632A
Cited
GB807737A
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US2957854A
Cited
US3048479A
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US3260728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |