US2818240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of mining ores in situ by leaching
Assignee: Individual
•
Filing: 1952-09-05
•
Granted: 1957-12-31
•
Expires: 1972-09-05
Abstract
No abstract record available.
Inventors
- 👤 Clifton W Livingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:36
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE PROCESS OF LEACHING MINERALS FROM OREBODIES, IN SITU, COMPRISES INTRODUCING A SOLVENT FOR SAID MINERALS INTO AN OREBODY THROUGH A FIRST GROUP OF HOLES, PASSING SAID SOLVENT THROUGH A PROTIONS OF SAID OREBODY UNTIL IT APPERRS AT A SECOND GROUP OF HOLES, REVERSING THE DIRECTION OF FLOW BY INTRODUCING FURTHER OF SAID SOLVENT INTO SAID OREBODY THROUGH SAID SECOND GROUP OF HOLES AND PASSING IT THROUGH SAID PORTION OF SAID OREBODY TO SAID FIRST GROUP OF HOLES, AND WITHDRAWING THE RESULTANT SOLUTION FORM SAID FIRST GROUP OF HOLES.
Claim 2
Dependent Claim
89 words
THE PROCESS OF LEACHING MINERALS FROM OREBODIES, IN SITU, COMPRISES INTRODUCING A SOLVENT FOR SAID MINERALS INTO AN OREBODY THROUGH A FIRST GROUP OF HOLES, PASSING SAID SOLVENT THROUGH A PROTIONS OF SAID OREBODY UNTIL IT APPERRS AT A SECOND GROUP OF HOLES, REVERSING THE DIRECTION OF FLOW BY INTRODUCING FURTHER OF SAID SOLVENT INTO SAID OREBODY THROUGH SAID SECOND GROUP OF HOLES AND PASSING IT THROUGH SAID PORTION OF SAID OREBODY TO SAID FIRST GROUP OF HOLES, AND WITHDRAWING THE RESULTANT SOLUTION FORM SAID FIRST GROUP OF HOLES.
References Cited (Backward Citations)
US2563623A
Cited
US565342A
Cited
DE135722C
Cited
US672475A
Cited
US975106A
Cited
GB191105867A
Cited
US1028774A
Cited
US1076833A
Cited
US1399554A
Cited
US1787973A
Cited
US1747403A
Cited
GB296813A
Cited
US1891532A
Cited
US2291911A
Cited
US2347778A
Cited
US2630369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |