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US3104213A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrolytic cell and process thereof

Assignee: Chlormetals Inc
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Filing: 1957-12-02
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Granted: 1963-09-17
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Expires: 1977-12-02
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Abstract

No abstract record available.

Inventors

  • 👤 Szechtman Joshua

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 19:23
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/02; C25B; C25B1/00; C25B1/01; C25B1/24; C25B1/26; C25C7/00; C25C7/005

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 121 words
THE METHOD OF ELECTROLYZING ALKALI METAL SALTS IN THE ABSENCE OF AIR AND MOISTURE COMPRISING REPLACING WITH AN INERT GAS THE AIR OF A THREE CHAMBER ELECTROLYTIC CELL WITH ONE CHAMBER BEING THE ILECTROLYSIS CHAMBER, THE SECOND CHAMBER BEING THE DROSS REMOVAAL CHAMBER AND THE THIRD CHAMBER BEING THE LIQUID CATHODE REMOVAL CHAMBER; REMOVING DROSS FROM SAID CHAMBER THROUGH A LIQUID SEAL; DISTILLING OFF ALKALI METAL FROM THE MOLTEN CATHODE AND RECYCLING IT BACK TO THE CELL IN THE ABENCE OF AIR; INTRODUCING AIR FREE AND MOSITURE FREE MOLTEN ALKALI METAL SALT INTO THE ELECTROLYTIC CHAMBER AND INTERMITTENTLY WASHING THE OPERATION FACES OF THE ANDODES BY MOVEMENT OF SAID MOLTEN CATHODE IN SAID CELL IN THE ABSENCE OF CONTACT WITH AIR.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-16 1967-03-18 1967-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-16 1971-03-18 1971-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-16 1975-03-18 1975-09-17 $7700.00 Window Closed / Lapsed

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