US2681885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic method for treating water
Assignee: Individual
•
Filing: 1950-05-24
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Granted: 1954-06-22
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Expires: 1970-05-24
Abstract
No abstract record available.
Inventors
- 👤 Robert E Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:43
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/008; B; B01; B01J; B01J39/00; B01J39/02; C02F1/28; C02F1/281; C02F1/46; C02F1/4602; F; F24; F24D; F24D19/00; F24D19/0092; C02F1/461; C02F1/46104; C02F1/4618; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/46115; C02F2209/00; C02F2209/06; C02F2303/00; C02F2303/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
THE PROCESS OF TREATING BOILER WATER IN A DIRECT CURRENT ELECTROLYTIC DIAPHRAGM CELL HAVING ANODE AND CATHODE COMPARTMENTS, COMPRISING, SIMULTANEOUSLY FLOWING RAW WATER AND HIGHLY ALKALINE CONCENTRATED BOILER WATER INTO SAID CATHODE, COMPARTMENT, PASSING CURRENT BETWEEN SAID ANODE AND CATHODE TO INCREASE THE ALKALINITY OF SAID WATERS TO FORM A PRECIPITATE, SEPARATING SAID ALKALIZED WATER FROM SAID PRECIPITATE, FLOWING SAID SEPARATED WATER TO A BOILER, AND RETURNING HIGHLY ALKALINE CONCENTRATED WATER FROM SAID BOILER TO SAID CATHODE COMPARTMENT.
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) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |