US3455385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of crude oil from a watered-out subterranean formation
Assignee: Marathon Oil Co
•
Filing: 1967-12-26
•
Granted: 1969-07-15
•
Expires: 1987-12-26
Abstract
No abstract record available.
Inventors
- 👤 William B Gogarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:42
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/20; C; C09; C09K; C09K8/00; C09K8/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123134A
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US1651311A
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US2885003A
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US3266570A
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US3261399A
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US3312278A
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US3330344A
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US3324944A
Cited
US3348611A
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US3373809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |