Patent US3029194A successfully refreshed from Google Patents.
US3029194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace and process for the electrolysis of aluminum
Assignee: Individual
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Filing: 1955-01-07
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Granted: 1962-04-10
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Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Varda Giuseppe De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:51
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A SERIES MULTICELL FURNACE FOR FUSED SALT ELECTROLYSIS OF COMPOUNDS REACTING BY ELECTROYLSIS WITH CONSUMABLE ANODES, COMPRISING MORE THAN TWO STATIONARY CARBON ELECTRODES, INCLUDING TWO TERMINAL CARBON ELECTRODE AND AT LEAST ONE INTERMEDIATE BI-POLAR CARBON ELECTRODE DEFINING A PLURALITY OF INDIVIDUAL ELECTROLYSIS CELLS IN SERIES, EACH CELL HAVING ELECTRODIC SURFACES INCLINED TO THE VERTICAL AND TO THE HORIZONTAL AN FACING EACH OTHER, SUBSTANTIALLY COEXTENSIVE AND SUBSTANTIALLY PARALLEL TO EACH OTHER TO FORM A SLANTING LATERIALY CONFINED ELECTROLYSIS GAP, THE INCLINED ANODE SURFACES FACING DOWNWARDLY, AND AN INDIVIDUAL COLLECTING CHAMBER BELOW EACH GAP AND COMMUNICATING THEREWITH, THE CHAMBERS BEING SEPRATED BY ELECTRICALLY INSULATING PARTITION WALL MEANS, AND CURRENT SUPPLY MEANS CONNECTED WITH THE TWO TERMINAL ELECTRODES.
Claim 2
Dependent Claim
115 words
A SERIES MULTICELL FURNACE FOR FUSED SALT ELECTROLYSIS OF COMPOUNDS REACTING BY ELECTROYLSIS WITH CONSUMABLE ANODES, COMPRISING MORE THAN TWO STATIONARY CARBON ELECTRODES, INCLUDING TWO TERMINAL CARBON ELECTRODE AND AT LEAST ONE INTERMEDIATE BI-POLAR CARBON ELECTRODE DEFINING A PLURALITY OF INDIVIDUAL ELECTROLYSIS CELLS IN SERIES, EACH CELL HAVING ELECTRODIC SURFACES INCLINED TO THE VERTICAL AND TO THE HORIZONTAL AN FACING EACH OTHER, SUBSTANTIALLY COEXTENSIVE AND SUBSTANTIALLY PARALLEL TO EACH OTHER TO FORM A SLANTING LATERIALY CONFINED ELECTROLYSIS GAP, THE INCLINED ANODE SURFACES FACING DOWNWARDLY, AND AN INDIVIDUAL COLLECTING CHAMBER BELOW EACH GAP AND COMMUNICATING THEREWITH, THE CHAMBERS BEING SEPRATED BY ELECTRICALLY INSULATING PARTITION WALL MEANS, AND CURRENT SUPPLY MEANS CONNECTED WITH THE TWO TERMINAL ELECTRODES.
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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |