US2694680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer of electrolytes in solution
Assignee: Veolia WTS Systems USA Inc
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Filing: 1952-08-30
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Granted: 1954-11-16
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Expires: 1972-08-30
Abstract
No abstract record available.
Inventors
- 👤 William E Katz
- 👤 Norman W Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:04
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; B01D61/46; B01D61/463; B01D61/50; B01D2317/00; B01D2317/02; B01D2317/022; C; C02; C02F; C02F1/00; C02F1/46; C02F1/4604; C02F1/469; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/46115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
APPARATUS FOR TRANSFERRING ELECTROLYTE FROM ONE SOLUTION TO ANOTHER COMPRISING A PLURALITY OF JUXTAPOSED INTERCONNECTED STAGE, EACH STAGE HAVING A PLURALITY OF CONCENTRATION CHAMBERS AND A PLURALITY OF DILUTING CHAMBERS DEFINED BETWEEN ALTERNATE ANION PERMSELECTIVE AND CATION PERMSELECTIVE MEMBRANES, MEANS FOR PASSING A DIRECT ELECTRIC CURRENT IN SERIES THROUGH SAID MEMBRANES AND CHAMBERS DEFINED BETWEEN THEM, FIRST CONDUIT MEANS FOR PASSING A FIRST SOLUTION THROUGH THE CONCENTRATING CHAMBERS, SECOND CONDUIT MEANS FOR PASSING A SECOND SOLUTION THROUGH THE DILUTING CHAMBERS, AND MEANS FOR COMBINING THE EFFLUENTS FORM THE DILUTING CHAMBERS OF EACH STAGE; SAID STAGES BEING CONNECTED IN HYUDRAULIC SERIES WITH MEANS FOR PASSING THE COMBINED EFFLUENTS FROM THE DILUTING CHAMBERS OF EACH STAGE TO THE DILUTING CHAMBERS OF THE SUCCEEDING ADJACENT STAGE.
Claim 2
Dependent Claim
123 words
APPARATUS FOR TRANSFERRING ELECTROLYTE FROM ONE SOLUTION TO ANOTHER COMPRISING A PLURALITY OF JUXTAPOSED INTERCONNECTED STAGE, EACH STAGE HAVING A PLURALITY OF CONCENTRATION CHAMBERS AND A PLURALITY OF DILUTING CHAMBERS DEFINED BETWEEN ALTERNATE ANION PERMSELECTIVE AND CATION PERMSELECTIVE MEMBRANES, MEANS FOR PASSING A DIRECT ELECTRIC CURRENT IN SERIES THROUGH SAID MEMBRANES AND CHAMBERS DEFINED BETWEEN THEM, FIRST CONDUIT MEANS FOR PASSING A FIRST SOLUTION THROUGH THE CONCENTRATING CHAMBERS, SECOND CONDUIT MEANS FOR PASSING A SECOND SOLUTION THROUGH THE DILUTING CHAMBERS, AND MEANS FOR COMBINING THE EFFLUENTS FORM THE DILUTING CHAMBERS OF EACH STAGE; SAID STAGES BEING CONNECTED IN HYUDRAULIC SERIES WITH MEANS FOR PASSING THE COMBINED EFFLUENTS FROM THE DILUTING CHAMBERS OF EACH STAGE TO THE DILUTING CHAMBERS OF THE SUCCEEDING ADJACENT STAGE.
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) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |