US3168379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method of producing brine
Assignee: Morton Salt Co
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Filing: 1957-12-27
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Granted: 1965-02-02
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Expires: 1977-12-27
Abstract
No abstract record available.
Inventors
- 👤 Howard C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:25
CPC Classifications
B; B01; B01F; B01F21/00; B01F21/15; B01F21/20; B01F21/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A METHOD OF PREPARING BRINE BY CONTACTING A BED OF ROCK SALT CONTAINING CALCIUM SULFATE AS AN IMPOURITY WITH A DOWNWARDLY FLOWING STREAM OF WATER, THE IMPROVEMENT WHICH COMPRISES FORMING A BED OF SAID SALT WITH THE BOTTOM OF THE BED COMMUNICATING DIRECTLY WITH AN OPEN SPACE THEREUNDER WHEREBY BRINE EFFLUENT FROM SAID BED FALLS FREELY FROM SAID BED, AND COLLECTED THE FREELY FALLING BRINE CONTAINING ENTRAINED SOLID IMPURITIES AS A MASS OUT OF CONTACT WITH THE BOTTOM OF SAID BED
Claim 2
Dependent Claim
82 words
IN A METHOD OF PREPARING BRINE BY CONTACTING A BED OF ROCK SALT CONTAINING CALCIUM SULFATE AS AN IMPOURITY WITH A DOWNWARDLY FLOWING STREAM OF WATER, THE IMPROVEMENT WHICH COMPRISES FORMING A BED OF SAID SALT WITH THE BOTTOM OF THE BED COMMUNICATING DIRECTLY WITH AN OPEN SPACE THEREUNDER WHEREBY BRINE EFFLUENT FROM SAID BED FALLS FREELY FROM SAID BED, AND COLLECTED THE FREELY FALLING BRINE CONTAINING ENTRAINED SOLID IMPURITIES AS A MASS OUT OF CONTACT WITH THE BOTTOM OF SAID BED
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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) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |