US2919238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fused salt electrolytic cells
Assignee: EIDP Inc
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Filing: 1957-07-22
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Granted: 1959-12-29
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Expires: 1977-07-22
Abstract
No abstract record available.
Inventors
- 👤 Sverre E Bergh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:37
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/005; C25C7/02; C25C7/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A CELL FOR THE ELECTROYTIC PRODUCTION OF A METAL HAVING A DENSITY BELOW THE DENSITY OF THE FUSED ELECTROLYTE AND REQUIRING A DIAPHRAGM TO SEPARATE THE ANODE AND CATHODE ZONES THE COMBINATION COMPRISING FOUR ELEMENTS EACH SUPPORTED ON SUPORT EXTERNAL TO THE CELL BODY, THE FIRST ELEMENT COMPRISING THE CELL SHELL, THE SECOND ELEMENT COMPRISING A VERTICALLY DISPOSED ANODE WITH BOTTOM ENTRANCE INTO THE CELL,THE THIRD ELEMENT COMPRISING A CATHODE SURROUNDING THE ANODE SAID CATHODE HAVING OPPOSED ARMS, SAID ARMS PASSING THROUGH THE CELL WALL AND BEING SUPPORTED ON WEIGHT BEARING MEANS OUTSIDE SAID CELL WALL AND THE FOURTH ELEMENT COMPRISING COLLECTING MEANS FOR THE METAL AND NON-METAL PRODUCTS OF THE ELECTROLYTIC CELL, A DISAPHRAGM SUSPENDED FROM SAID COLLECTING MEANS, SAID DIAPHRAGM BEING DISPOSED BETWEEN THE ANODE AND THE CATHODE, SAID FOURTH ELEMENT BEING REMOVABLE AS A WHOLE FROM SAID CELL.
Claim 2
Dependent Claim
142 words
IN A CELL FOR THE ELECTROYTIC PRODUCTION OF A METAL HAVING A DENSITY BELOW THE DENSITY OF THE FUSED ELECTROLYTE AND REQUIRING A DIAPHRAGM TO SEPARATE THE ANODE AND CATHODE ZONES THE COMBINATION COMPRISING FOUR ELEMENTS EACH SUPPORTED ON SUPORT EXTERNAL TO THE CELL BODY, THE FIRST ELEMENT COMPRISING THE CELL SHELL, THE SECOND ELEMENT COMPRISING A VERTICALLY DISPOSED ANODE WITH BOTTOM ENTRANCE INTO THE CELL,THE THIRD ELEMENT COMPRISING A CATHODE SURROUNDING THE ANODE SAID CATHODE HAVING OPPOSED ARMS, SAID ARMS PASSING THROUGH THE CELL WALL AND BEING SUPPORTED ON WEIGHT BEARING MEANS OUTSIDE SAID CELL WALL AND THE FOURTH ELEMENT COMPRISING COLLECTING MEANS FOR THE METAL AND NON-METAL PRODUCTS OF THE ELECTROLYTIC CELL, A DISAPHRAGM SUSPENDED FROM SAID COLLECTING MEANS, SAID DIAPHRAGM BEING DISPOSED BETWEEN THE ANODE AND THE CATHODE, SAID FOURTH ELEMENT BEING REMOVABLE AS A WHOLE FROM SAID CELL.
References Cited (Backward Citations)
DE104955C
Cited
US2592483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |