US3406754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petroleum production utilizing miscibletype and thickened slugs
Assignee: Marathon Oil Co
•
Filing: 1967-06-19
•
Granted: 1968-10-22
•
Expires: 1987-06-19
Abstract
No abstract record available.
Inventors
- 👤 William B Gogarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; C09K8/584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2771138A
Cited
US2867277A
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US3208517A
Cited
US3053765A
Cited
US3167118A
Cited
US3163214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |