US3474865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stimulation of injection wells with water-external micellar dispersions
Assignee: Marathon Oil Co
•
Filing: 1968-03-12
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Granted: 1969-10-28
•
Expires: 1988-03-12
Abstract
No abstract record available.
Inventors
- 👤 William B Gogarty
- 👤 Stanley C Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:52
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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US3261399A
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US3288216A
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US3297084A
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US3330344A
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US3348611A
Cited
US3373809A
Cited
US3422890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |