Patent US2846387A successfully refreshed from Google Patents.
US2846387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for extracting the ions of electrolytes from liquid solvents
Assignee: General Electric Co
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Filing: 1953-12-29
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Granted: 1958-08-05
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Expires: 1973-12-29
Abstract
No abstract record available.
Inventors
- 👤 Edgar S Stoddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:56
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/42; B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; B01D61/46; B01D61/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
563 words
A SYSTEM FOR DEMINERALIZING RAW WATER COMPRISING A PLURALITY OF UPSTANDING CELLS, EACH OF SAID CELLS BEING PROVIDED WITH FIRST AND SECOND AND THIRD UPSTANDING CHAMBERS AND INCLUDING A FIRST PERMEABLE MEMBRANE AS A COMMON WALL BETWEEN SAID FIRST AND SECOND CHAMBERS AND A SECOND PERMEABLE MEMBRANE AS A COMMON WALL BETWEEN SAID FIRST AND THIRD CHAMBERS, A PLURALITY OF CATHODES RESPECTIVELY ARRANGED IN SAID SECOND CHAMBERS, A PLURALITY OF ANODES RESPECTIVELY ARRANGED IN SAID THIRD CHAMBERS, A FILTER A LOWER HEADER COMMONLY COMMUNICATING WITH THE INLET OF SAID FILTER AND WITH THE LOWER ENDS OF SAID SECOND AND THIRD CHAMBERS, THE OUTLET OF SAID FILTER COMMONLY COMMUNICATING WITH THE UPPER ENDS OF SAID FIRST CHAMBERS, AN INLET PIPE FOR SUPPLYING RAW WATER UNDER PRESSURE INTO SAID LOWER HEADER, AN OUTLET PIPE COMMONLY COMMUNICATING WITH THE LOWER ENDS OF SAID FIRST CHAMBERS, AN UPPER HEADER COMMONLY COMMUNICATING WITH THE UPPER ENDS OF SAID SECOND AND THIRD CHAMBERS, A DRAIN PIPE COMMUNICATING WITH SAID UPPER HEADER, MEANS FOR SELECTIVELY CONDUCTING A PLURALITY OF FIRST STREAMS OF WATER FROM SAID LOWER HEADER DOWNWARDLY RESPECTIVELY THROUGH SAID FIRST CHAMBERS AND THEN AS A FIRST COMBINED STREAM OF WATER THROUGH SAID OUTLET PIPE, A VALVE ARRANGED IN SAID DRAIN PIPEM MEANS RESPONSIVE TO INITIATION OF FLOW OF SAID FIRST COMBINED STREAM OF WATER THROUGH SAID OUTLET PIPE FOR OPERATING SAID VALVE FROM ITS CLOSED POSITION INTO ITS OPEN POSITION AND RESPONSIVE TO ARRESTING OF THE FLOW OF SAID FIRST COMBINED STREAM OF WATER THROUGH SAID OUTLET PIPE FOR OPERATING SAID VALVE FROM ITS OPEN POSITION INTO ITS CLOSED POSITION, A PLURALITY OF SECOND STREAMS OF WATER AND A PLURALITY OF THIRD STREAMS OF WATER BEING CONDUCTED FROM SAID LOWER HEADER UPWARDLY RESPECTIVELY THROUGH SAID SECOND AND THIRD CHAMBERS AND THEN AS A COMBINED SECOND STREAM OF WATER THROUGH SAID DRAIN PIPE IN RESPONSE TO OPERATION OF SAID VALVE INTO ITS OPEN POSITION, A FIRST REGULATOR GOVERNED JOINTLY BY THE PRESSURE OF THE WATER IN SAID INLET PIPE AND BY THE PRESSURE OF THE WATER IN SAID OUTLET PIPE FOR SELECTIVELY CONTROLLING THE RATE OF FLOW OF SAID FIRST COMBINED STREAM OF WATER THROUGH SAID OUTLET PIPE, A SECOND REGULATOR GOVERNED JOINTLY BY THE PRESSURE OF THE WATER IN SAID INLET PIPE AND BY THE PRESSURE OF THE WATER IN SAID DRAIN PIPE FOR SELECTIVELY CONTROLLING THE RATE OF FLOW OF SAID SECOND COMBINED STREAM OF WATER THROUGH SAID DRAIN PIPE, AND MEANS FOR PASSING A PLURALITY OF DIRECT ELECTRIC CURRENTS RESPECTIVELY FROM SAID ANODES TO THE CORRESPONDING ONES OF SAID CATHODES THROUGH THE CORRESPONDING ONES OF SAID FIRST AND SECOND AND THIRD STREAMS OF WATER RESPECTIVELY PASSING THROUGH THE CORRESPONDING ONES OF SAID FIRST AND SECOND AND THIRD CHAMBERS AND THROUGH THE CORRESPONDING ONES OF SAID FIRST AND SECOND MEMBRANES, WHEREBY THE IONS OF THE ELECTROLYTES CONTAINED IN EACH OF SAID FIRST STREAMS OF WATER ARE SUBJECTED TO ELECTRO-DIALYSIS THROUGH THE CORRESPONDING ONES OF SAID FIRST AND SECOND MEMBRANES SO THAT THE IONS OF OPPOSITE POLARITIES RESPECTIVELY MIGRATING TOWARD THE CORRESPONDING ONE OF SAID CATHODES AND TOWARD THE CORRESPONDING ONE OF SAID ANODES ARE SWEPT RESPECTIVELY ALONG WITH THE CORRESPONDING ONES OF SAID SECOND AND THIRD STREAMS OF WATER RESPECTIVELY FROM THE CORRESPONDING ONES OF SAID SECOND AND THIRD CHAMBERS AND THENCE WITH SAID SECOND COMBINED STREAM OF WATER THROUGH SAID UPPER HEADER AND SAID DRAIN PIPE.
Claim 2
Independent Claim
563 words
A SYSTEM FOR DEMINERALIZING RAW WATER COMPRISING A PLURALITY OF UPSTANDING CELLS, EACH OF SAID CELLS BEING PROVIDED WITH FIRST AND SECOND AND THIRD UPSTANDING CHAMBERS AND INCLUDING A FIRST PERMEABLE MEMBRANE AS A COMMON WALL BETWEEN SAID FIRST AND SECOND CHAMBERS AND A SECOND PERMEABLE MEMBRANE AS A COMMON WALL BETWEEN SAID FIRST AND THIRD CHAMBERS, A PLURALITY OF CATHODES RESPECTIVELY ARRANGED IN SAID SECOND CHAMBERS, A PLURALITY OF ANODES RESPECTIVELY ARRANGED IN SAID THIRD CHAMBERS, A FILTER A LOWER HEADER COMMONLY COMMUNICATING WITH THE INLET OF SAID FILTER AND WITH THE LOWER ENDS OF SAID SECOND AND THIRD CHAMBERS, THE OUTLET OF SAID FILTER COMMONLY COMMUNICATING WITH THE UPPER ENDS OF SAID FIRST CHAMBERS, AN INLET PIPE FOR SUPPLYING RAW WATER UNDER PRESSURE INTO SAID LOWER HEADER, AN OUTLET PIPE COMMONLY COMMUNICATING WITH THE LOWER ENDS OF SAID FIRST CHAMBERS, AN UPPER HEADER COMMONLY COMMUNICATING WITH THE UPPER ENDS OF SAID SECOND AND THIRD CHAMBERS, A DRAIN PIPE COMMUNICATING WITH SAID UPPER HEADER, MEANS FOR SELECTIVELY CONDUCTING A PLURALITY OF FIRST STREAMS OF WATER FROM SAID LOWER HEADER DOWNWARDLY RESPECTIVELY THROUGH SAID FIRST CHAMBERS AND THEN AS A FIRST COMBINED STREAM OF WATER THROUGH SAID OUTLET PIPE, A VALVE ARRANGED IN SAID DRAIN PIPEM MEANS RESPONSIVE TO INITIATION OF FLOW OF SAID FIRST COMBINED STREAM OF WATER THROUGH SAID OUTLET PIPE FOR OPERATING SAID VALVE FROM ITS CLOSED POSITION INTO ITS OPEN POSITION AND RESPONSIVE TO ARRESTING OF THE FLOW OF SAID FIRST COMBINED STREAM OF WATER THROUGH SAID OUTLET PIPE FOR OPERATING SAID VALVE FROM ITS OPEN POSITION INTO ITS CLOSED POSITION, A PLURALITY OF SECOND STREAMS OF WATER AND A PLURALITY OF THIRD STREAMS OF WATER BEING CONDUCTED FROM SAID LOWER HEADER UPWARDLY RESPECTIVELY THROUGH SAID SECOND AND THIRD CHAMBERS AND THEN AS A COMBINED SECOND STREAM OF WATER THROUGH SAID DRAIN PIPE IN RESPONSE TO OPERATION OF SAID VALVE INTO ITS OPEN POSITION, A FIRST REGULATOR GOVERNED JOINTLY BY THE PRESSURE OF THE WATER IN SAID INLET PIPE AND BY THE PRESSURE OF THE WATER IN SAID OUTLET PIPE FOR SELECTIVELY CONTROLLING THE RATE OF FLOW OF SAID FIRST COMBINED STREAM OF WATER THROUGH SAID OUTLET PIPE, A SECOND REGULATOR GOVERNED JOINTLY BY THE PRESSURE OF THE WATER IN SAID INLET PIPE AND BY THE PRESSURE OF THE WATER IN SAID DRAIN PIPE FOR SELECTIVELY CONTROLLING THE RATE OF FLOW OF SAID SECOND COMBINED STREAM OF WATER THROUGH SAID DRAIN PIPE, AND MEANS FOR PASSING A PLURALITY OF DIRECT ELECTRIC CURRENTS RESPECTIVELY FROM SAID ANODES TO THE CORRESPONDING ONES OF SAID CATHODES THROUGH THE CORRESPONDING ONES OF SAID FIRST AND SECOND AND THIRD STREAMS OF WATER RESPECTIVELY PASSING THROUGH THE CORRESPONDING ONES OF SAID FIRST AND SECOND AND THIRD CHAMBERS AND THROUGH THE CORRESPONDING ONES OF SAID FIRST AND SECOND MEMBRANES, WHEREBY THE IONS OF THE ELECTROLYTES CONTAINED IN EACH OF SAID FIRST STREAMS OF WATER ARE SUBJECTED TO ELECTRO-DIALYSIS THROUGH THE CORRESPONDING ONES OF SAID FIRST AND SECOND MEMBRANES SO THAT THE IONS OF OPPOSITE POLARITIES RESPECTIVELY MIGRATING TOWARD THE CORRESPONDING ONE OF SAID CATHODES AND TOWARD THE CORRESPONDING ONE OF SAID ANODES ARE SWEPT RESPECTIVELY ALONG WITH THE CORRESPONDING ONES OF SAID SECOND AND THIRD STREAMS OF WATER RESPECTIVELY FROM THE CORRESPONDING ONES OF SAID SECOND AND THIRD CHAMBERS AND THENCE WITH SAID SECOND COMBINED STREAM OF WATER THROUGH SAID UPPER HEADER AND SAID DRAIN PIPE.
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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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |