Patent US3476184A successfully refreshed from Google Patents.
US3476184A
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Method of designing a soluble oil slug for an oil recovery process
Assignee: Marathon Oil Co
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Filing: 1968-11-04
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Granted: 1969-11-04
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Expires: 1988-11-04
Abstract
No abstract record available.
Inventors
- 👤 John A Davis Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:23
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; C09K8/584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3297084A
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US3330343A
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US3376925A
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US3275075A
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US3348611A
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US3254714A
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US3301325A
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US3373809A
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US3307628A
Cited
US3406754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |