US2808320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon oil stabilization
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1950-11-13
•
Granted: 1957-10-01
•
Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 Harry W Rudel
- 👤 Dilworth T Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:23
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2406; C10L1/2412; C10L1/26; C10L1/2633; C10L1/2658
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2165651A
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US2207430A
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US2252985A
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US2385158A
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US2378793A
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US2437041A
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US2451345A
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US2524864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |