Patent US3446282A successfully refreshed from Google Patents.
US3446282A
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Miscible displacement oil recovery process
Assignee: ExxonMobil Upstream Research Co
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Filing: 1966-10-27
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Granted: 1969-05-27
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Expires: 1986-10-27
Abstract
No abstract record available.
Inventors
- 👤 Claude E Cooke Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:37
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; Y; Y10; Y10S; Y10S507/00; Y10S507/935; Y10S507/936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2742089A
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US2827964A
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US3076504A
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US3079336A
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US3266570A
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US3330344A
Cited
US3366174A
Cited
US3323588A
Cited
US3330345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |