US2954218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In situ roasting and leaching of uranium ores
Assignee: ConocoPhillips Co
•
Filing: 1956-12-17
•
Granted: 1960-09-27
•
Expires: 1976-12-17
Abstract
No abstract record available.
Inventors
- 👤 John N Dew
- 👤 William L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:34
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/28; E21B43/281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD OF RECOVERING SOLUBLE MINERALS FROM A SUBSURFACE MINERAL BEARING ORE BODY, COMPRISING THE STEPS OF: (A) FORMING AT LEAST TWO SPACED WELLS INTO THE ORE BODY, (B) INJECTING A CARBON CONTAINING MATERIAL INTO THE ORE BODY FROM ONE OF THE WELLS, (C) BURNING SAID CARBON CONTAINING MATERIAL IN SITU IN THE ORE BODY, (D) FORCING A SOLVENT THROUGH THE ORE BODY FROM SAID ONE WELL TO THE OTHER OF SAID WELLS TO LEACH MINERALS FROM THE ORE BODY, AND (E) RECOVERING THE PREGNANT SOLVENT THROUGH SAID OTHER WELLS.
Claim 2
Independent Claim
90 words
A METHOD OF RECOVERING SOLUBLE MINERALS FROM A SUBSURFACE MINERAL BEARING ORE BODY, COMPRISING THE STEPS OF: (A) FORMING AT LEAST TWO SPACED WELLS INTO THE ORE BODY, (B) INJECTING A CARBON CONTAINING MATERIAL INTO THE ORE BODY FROM ONE OF THE WELLS, (C) BURNING SAID CARBON CONTAINING MATERIAL IN SITU IN THE ORE BODY, (D) FORCING A SOLVENT THROUGH THE ORE BODY FROM SAID ONE WELL TO THE OTHER OF SAID WELLS TO LEACH MINERALS FROM THE ORE BODY, AND (E) RECOVERING THE PREGNANT SOLVENT THROUGH SAID OTHER WELLS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |