US3482631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary recovery process utilizing a pre-slug prior to a displacing fluid
Assignee: Marathon Oil Co
•
Filing: 1967-12-26
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Granted: 1969-12-09
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Expires: 1987-12-26
Abstract
No abstract record available.
Inventors
- 👤 Stanley C Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:13
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2827964A
Cited
US3076504A
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US3039529A
Cited
US3266570A
Cited
US3261399A
Cited
US3297084A
Cited
US3330344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |