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Patent US3051235A successfully refreshed from Google Patents.
US3051235A
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US
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Recovery of petroleum crude oil, by in situ combustion and in situ hydrogenation
Assignee: Jersey Production Research Co
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Filing: 1958-02-24
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Granted: 1962-08-28
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Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 William P Banks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:58
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1457479A
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US2412765A
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US2595979A
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US2689252A
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GB696524A
Cited
US2788071A
Cited
US2768121A
Cited
US2857002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |