Patent US2999801A successfully refreshed from Google Patents.
US2999801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for supplying current to high amperage electrolytic cells
Assignee: Elektrokemisk AS
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Filing: 1957-08-02
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Granted: 1961-09-12
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Expires: 1977-08-02
Abstract
No abstract record available.
Inventors
- 👤 Wleugel Johan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:40
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN AN ELECTROLYTIC CELL OF THE TYPE COMPRISING A POT SERVING AS A CATHODE, A CARBON ANODE OF RECTANGULAR CROSSSECTION WITH ONE AXIS LONGER THAN THE OUTER OF THE TYPE WHICH IS CARBONIZED IN THE FURNACE SUSPENED ABOVE THE POT AND ADAPTED TO EXTEND DOWN INTO A BATH WITHIN THE POT, AND CONTACT BOLTS ENTERING THE ANODE BY MEANS OF WHICH CURRENT MAY BE TRANSMITTED TO THE ANODE, TWO SETS OF ANODE BUS BARS ADJACENT THE UPPER PART OF THE ANODE RUNNING PARALLEL WITH A MAJOR HORIZONTAL AXIS OF THE ANODE BUT ELECTRICALLY SEPARATED FROM EACH OTHER NEAR THE CENTER OF THEIR COMBINED LENGTH, AND MEANS FOR TRANSMITTING CURRENT TO SUCH BUS BARS AT CORRESPONDING ENDS OF THE BUS BARS RELATIVE TO THE OUTSIDE FACES OF THE ANODE, SO THAT THE FLOW OF CURRENT IN THE RESPECTIVE MEMBERS OF THE SETS WILL BE IN OPPOSITE DIRECTIONS.
Claim 2
Dependent Claim
146 words
IN AN ELECTROLYTIC CELL OF THE TYPE COMPRISING A POT SERVING AS A CATHODE, A CARBON ANODE OF RECTANGULAR CROSSSECTION WITH ONE AXIS LONGER THAN THE OUTER OF THE TYPE WHICH IS CARBONIZED IN THE FURNACE SUSPENED ABOVE THE POT AND ADAPTED TO EXTEND DOWN INTO A BATH WITHIN THE POT, AND CONTACT BOLTS ENTERING THE ANODE BY MEANS OF WHICH CURRENT MAY BE TRANSMITTED TO THE ANODE, TWO SETS OF ANODE BUS BARS ADJACENT THE UPPER PART OF THE ANODE RUNNING PARALLEL WITH A MAJOR HORIZONTAL AXIS OF THE ANODE BUT ELECTRICALLY SEPARATED FROM EACH OTHER NEAR THE CENTER OF THEIR COMBINED LENGTH, AND MEANS FOR TRANSMITTING CURRENT TO SUCH BUS BARS AT CORRESPONDING ENDS OF THE BUS BARS RELATIVE TO THE OUTSIDE FACES OF THE ANODE, SO THAT THE FLOW OF CURRENT IN THE RESPECTIVE MEMBERS OF THE SETS WILL BE IN OPPOSITE DIRECTIONS.
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) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |