Patent US3205012A successfully refreshed from Google Patents.
US3205012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution mining system using heat exchange tubes
Assignee: Individual
•
Filing: 1963-05-01
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Granted: 1965-09-07
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Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 William B Dancy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:08
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/28; E21B43/281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A METHOD FOR THE SOLUTION MINING OF A SYLVINITE ORE PANEL WHICH COMPRISES DRIVING ENTRIES AROUND THE PERIMETER OF THE PANEL TO THEREBY DEFINE A PANEL HAVING SUBSTANTIALLY VERTICAL WALLS, INSERTING A PLURALITY OIF HEAT EXCHANGE TUBES SUBSTANTIALLY HORIZONTAL THROUGH SAID PANEL, INSERTING AN INLET CASING INTO ONE WALL OF SAID PANEL AND AN OUTLET CASING IN A WALL OF SAID PANEL SUBSTANTIALLY OPPOSITE TO THE WALL INTO WHICH SAID INLET CASING IS INSERTED, PASSING A FLUID AT AN ELEVATED TEMPERATURE THROUGH SAID HEAT EXCHANGE TUBES, INTRODUCING AN AQUEOUS SOLUTION SUBSTANTIALLY UNSATURATED WITH RESPECT TO POTASSIUM THROUGH SAID INLET CASING INTO SAID PANEL AND WITHDRAWING AN AQUEOUS SOLUTION CONTAINING MORE POTASSIUM THAN THE INCOMING SOLUTION THROUGH SAID OUTLET CASING THEREBY FORMING A SOLUTION CAVITY WITHIN SAID PANEL AS POTASSIUM IT DISSOLVED IN THE AQUEOUS SOLUTION AND WITHDRAWN FROM SAID PANEL, AT LEAST ONE OF SAID HEAT EXCHANGE TUBES PASSING THROUGH SAID SOLUTION CAVITY AND MAINTAINING SUBSTANTIALLY ALL OF THE SOLUTION IN SAID SOLUTION CAVITY AT AN ELEVATED TEMPERATURE BY HEAT EXCHANGE WITH THE FLUID IN SAID HEAT EXCHANGE TUBES.
Claim 2
Independent Claim
179 words
A METHOD FOR THE SOLUTION MINING OF A SYLVINITE ORE PANEL WHICH COMPRISES DRIVING ENTRIES AROUND THE PERIMETER OF THE PANEL TO THEREBY DEFINE A PANEL HAVING SUBSTANTIALLY VERTICAL WALLS, INSERTING A PLURALITY OIF HEAT EXCHANGE TUBES SUBSTANTIALLY HORIZONTAL THROUGH SAID PANEL, INSERTING AN INLET CASING INTO ONE WALL OF SAID PANEL AND AN OUTLET CASING IN A WALL OF SAID PANEL SUBSTANTIALLY OPPOSITE TO THE WALL INTO WHICH SAID INLET CASING IS INSERTED, PASSING A FLUID AT AN ELEVATED TEMPERATURE THROUGH SAID HEAT EXCHANGE TUBES, INTRODUCING AN AQUEOUS SOLUTION SUBSTANTIALLY UNSATURATED WITH RESPECT TO POTASSIUM THROUGH SAID INLET CASING INTO SAID PANEL AND WITHDRAWING AN AQUEOUS SOLUTION CONTAINING MORE POTASSIUM THAN THE INCOMING SOLUTION THROUGH SAID OUTLET CASING THEREBY FORMING A SOLUTION CAVITY WITHIN SAID PANEL AS POTASSIUM IT DISSOLVED IN THE AQUEOUS SOLUTION AND WITHDRAWN FROM SAID PANEL, AT LEAST ONE OF SAID HEAT EXCHANGE TUBES PASSING THROUGH SAID SOLUTION CAVITY AND MAINTAINING SUBSTANTIALLY ALL OF THE SOLUTION IN SAID SOLUTION CAVITY AT AN ELEVATED TEMPERATURE BY HEAT EXCHANGE WITH THE FLUID IN SAID HEAT EXCHANGE TUBES.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |