Patent US3067124A successfully refreshed from Google Patents.
US3067124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace for fused-bath electrolysis, particularly for aluminum production from alo
Assignee: Montedison SpA
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Filing: 1959-07-08
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Granted: 1962-12-04
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Expires: 1979-07-08
Abstract
No abstract record available.
Inventors
- 👤 Pava Alberto Vajna De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:55
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A FURNACE FOR ELECTROLYSIS OF ALUMINUM COMPOUNDS DISSOLVED IN A MOLTEN SALT BATH, FOR PRODUCTION OF ALUMINUM, CHARACTERIZED IN THAT THE ELECTROLYSIS CHAMBER OF THE CELL IS CONSTITUTED BY AS MASSIVE GRAPHITE CATHODE FORMED IN THE SHAPE OF A VESSEL HAVING INCLINED INNER CATHODICALLY ACTIVE GRAPHITE WALLS TAPERING INWARDLY AND DOWNWARDLY AROUND THE ENTIRE INNER CIRCUMFERENCE OF THE CATHODE, AND ANODE MEANS PROVIDING AT LEAST ONE CARBON ANODE HAVING ITS ANODIALLY ACTIVE SURFACE TAPERING INWARDLY AND DOWNWARDLY OVER THE ENTIRE CIRCUMFERENCE OF THE ANODE, TO PROVIDE AN UPWARDLY-DOWNWARDLY EX-
Claim 2
Dependent Claim
89 words
A FURNACE FOR ELECTROLYSIS OF ALUMINUM COMPOUNDS DISSOLVED IN A MOLTEN SALT BATH, FOR PRODUCTION OF ALUMINUM, CHARACTERIZED IN THAT THE ELECTROLYSIS CHAMBER OF THE CELL IS CONSTITUTED BY AS MASSIVE GRAPHITE CATHODE FORMED IN THE SHAPE OF A VESSEL HAVING INCLINED INNER CATHODICALLY ACTIVE GRAPHITE WALLS TAPERING INWARDLY AND DOWNWARDLY AROUND THE ENTIRE INNER CIRCUMFERENCE OF THE CATHODE, AND ANODE MEANS PROVIDING AT LEAST ONE CARBON ANODE HAVING ITS ANODIALLY ACTIVE SURFACE TAPERING INWARDLY AND DOWNWARDLY OVER THE ENTIRE CIRCUMFERENCE OF THE ANODE, TO PROVIDE AN UPWARDLY-DOWNWARDLY EX-
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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |