US3070159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Consolidating incompetent rock formations
Assignee: Phillips Petroleum Co
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Filing: 1959-10-05
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Granted: 1962-12-25
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Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 John W Marx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:34
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/56; C09K8/57; C09K8/572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
IN AN IN SITU COMBUSTION PROCESS WHEREIN AN INCOMPETENT, CARBONACEOUS FORMATION IS TRANSVERSED BY A PRO-
Claim 2
Dependent Claim
16 words
IN AN IN SITU COMBUSTION PROCESS WHEREIN AN INCOMPETENT, CARBONACEOUS FORMATION IS TRANSVERSED BY A PRO-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |