US3482632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miscible flooding process using improved soluble oil compositions
Assignee: Union Oil Company of California
•
Filing: 1968-03-15
•
Granted: 1969-12-09
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Expires: 1988-03-15
Abstract
No abstract record available.
Inventors
- 👤 Leroy W Holm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:05
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; C09K8/584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3292696A
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US3175609A
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US3261399A
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US3324944A
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US3275075A
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US3254714A
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US3356138A
Cited
US3307628A
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US3406754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |