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US2919238A Expired / Lapsed US ⏱️ 0.0 years remaining

Fused salt electrolytic cells

Assignee: EIDP Inc
•
Filing: 1957-07-22
•
Granted: 1959-12-29
•
Expires: 1977-07-22
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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

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