US3492233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions containing dehydrocondensation products
Assignee: Mobil Oil AS
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Filing: 1967-12-12
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Granted: 1970-01-27
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Expires: 1987-12-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Hepplewhite
- 👤 Edward A Oberright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:27
CPC Classifications
C; C10; C10M; C10M3/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/1817; C10L1/22; C10L1/221; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/025; C10M2207/026; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2040/00; C10N2040/08
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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |