US2685566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molten metal electrolysis cells
Assignee: Pechiney SA
•
Filing: 1949-08-25
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Granted: 1954-08-03
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Expires: 1969-08-25
Abstract
No abstract record available.
Inventors
- 👤 Schmitt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:35
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
AN ELECTROLYTIC CELL FOR AN ELECTROLYTIC PROCESS IN WHICH A LAYER OF MOLTEN METAL FLOATS ON THE ELECTROLYTE AS AN ELECTRODE, COMPRISING: A MAIN CONTAINER HAVING SUBSTANTIALLY VERTICAL SIDE WALLS, A REFRACTORY BODY ATTACHED TO A SIDE WALL AND HAVING A SUBSTANTIALLY HORIZONTAL UPPER SURFACE, A CHANNEL EXTENDING THROUGH SAID WALL AND ALONG SAID BODY SUCH THAT A PORTION OF SAID LAYER MAY RESIDE THEREIN, SAID CHANNEL HAVING AN INNER PORTION OPENING INTO THE MAIN CONTAINER AND AN OUTER PORTION RESIDING AWAY FROM SAID CONTAINER, THE CHANNEL BIENG OPEN-TOPPED, A CONDUCTOR IN THE OUTER PORTION AT A PART THEREOF AWAY FROM SAID INNER PORTION, THE CROSS-SECTIONAL AREA OF SAID INNER PORTION BEING SUBSTANTIALLY SMALLER THAN THE CROSS-SECTIONAL AREA OF SAID OUTER PORTION, WHEREBY PINCHING EFFECTS ARE AVOIDED, AND CONDUCTIVE MEANS EXTENDING INTO THE OUTER PORTION OF SAID CHANNEL FOR CONNECTION TO A SOURCE OF ELECTRIC CURRENT.
Claim 2
Dependent Claim
146 words
AN ELECTROLYTIC CELL FOR AN ELECTROLYTIC PROCESS IN WHICH A LAYER OF MOLTEN METAL FLOATS ON THE ELECTROLYTE AS AN ELECTRODE, COMPRISING: A MAIN CONTAINER HAVING SUBSTANTIALLY VERTICAL SIDE WALLS, A REFRACTORY BODY ATTACHED TO A SIDE WALL AND HAVING A SUBSTANTIALLY HORIZONTAL UPPER SURFACE, A CHANNEL EXTENDING THROUGH SAID WALL AND ALONG SAID BODY SUCH THAT A PORTION OF SAID LAYER MAY RESIDE THEREIN, SAID CHANNEL HAVING AN INNER PORTION OPENING INTO THE MAIN CONTAINER AND AN OUTER PORTION RESIDING AWAY FROM SAID CONTAINER, THE CHANNEL BIENG OPEN-TOPPED, A CONDUCTOR IN THE OUTER PORTION AT A PART THEREOF AWAY FROM SAID INNER PORTION, THE CROSS-SECTIONAL AREA OF SAID INNER PORTION BEING SUBSTANTIALLY SMALLER THAN THE CROSS-SECTIONAL AREA OF SAID OUTER PORTION, WHEREBY PINCHING EFFECTS ARE AVOIDED, AND CONDUCTIVE MEANS EXTENDING INTO THE OUTER PORTION OF SAID CHANNEL FOR CONNECTION TO A SOURCE OF ELECTRIC CURRENT.
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) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |