US3467188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil recovery process utilizing miniature slug of oil-external micellar dispersion
Assignee: Marathon Oil Co
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Filing: 1968-03-12
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Granted: 1969-09-16
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Expires: 1988-03-12
Abstract
No abstract record available.
Inventors
- 👤 William B Gogarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:47
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; C09K8/584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3266570A
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US3275075A
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US3302713A
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US3348611A
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US3254714A
Cited
US3301325A
Cited
US3373809A
Cited
US3307628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |