US2665124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of winning potassium chloride from underground deposits
Assignee: KANSAS CITY TESTING LAB
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Filing: 1948-07-10
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Granted: 1954-01-05
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Expires: 1968-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter M Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:23
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/28; E21B43/281; C; C01; C01D; C01D3/00; C01D3/04; C01D3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF WINNING POTASSIUM CHLORIDE FROM UNDERGROUND DEPOSITS SPARSE IN PORASH CONTENT WHICH COMPRISES ESTABLISHING AND MAINTAINING A BODY OF CYCLICALLY CIRCULATING COLD LIQUID CAPABLE OF DISSOLVING BOTH SODIUM CHLORIDE AND POTASSIUM CHLORIDE AND UNSATURATED WITH RESPECT TO POTASSIUM CHLORIDE IN CONTACT WITH SAID DEPOSITS, WITHDRAWING A PORTION OF SAID LIQUID CONTAINING BOTH SODIUM CHLORIDE AND POTASSIUM
Claim 2
Independent Claim
58 words
THE METHOD OF WINNING POTASSIUM CHLORIDE FROM UNDERGROUND DEPOSITS SPARSE IN PORASH CONTENT WHICH COMPRISES ESTABLISHING AND MAINTAINING A BODY OF CYCLICALLY CIRCULATING COLD LIQUID CAPABLE OF DISSOLVING BOTH SODIUM CHLORIDE AND POTASSIUM CHLORIDE AND UNSATURATED WITH RESPECT TO POTASSIUM CHLORIDE IN CONTACT WITH SAID DEPOSITS, WITHDRAWING A PORTION OF SAID LIQUID CONTAINING BOTH SODIUM CHLORIDE AND POTASSIUM
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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |