US3511780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil-soluble ashless dispersant-detergent-inhibitors
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-02-09
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Granted: 1970-05-12
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Expires: 1986-02-09
Abstract
No abstract record available.
Inventors
- 👤 Richard F Neblett
- 👤 Norman Tunkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:01
CPC Classifications
C; C10; C10M; C10M163/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2691; C10M133/00; C10M133/52; C10M133/56; C10M159/00; C10M159/12; C10M159/123; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10N; C10N2010/00; C10N2010/04; C10N2010/08; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/12; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2689220A
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US3000822A
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US3235497A
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US3184411A
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US3184412A
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US3185643A
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US3294684A
Cited
US3265618A
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US3216936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |