Patent US967095A successfully refreshed from Google Patents.
Patent US3583898A successfully refreshed from Google Patents.
US3583898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode assembly for electrolytic cell
Assignee: Solvay SA
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Filing: 1968-12-31
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Granted: 1971-06-08
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Expires: 1988-12-31
Abstract
Abstract AN ELECTROLYTIC CELL FOR ELECTROLYSIS OF AQUEOUS SOLUTIONS OF HALIDES OF ALKALINE METALS HAS AN ANODE-CARRYING BASE WITH A SHELL OF A CHEMICALLY INERT MATERIAL. CURRENT CONDUCTING BARS LIE IN PARALLEL CAVITIES IN THE BASE AND GRAPHITE ANODES HAVE THEIR LOWER EDGES RESTING ON THE BARS IN A LAYER OF LOW MELTING POINT ALLOY. SYNTHETIC RESIN SET IN PLACE IN THE CAVITIES OVER THE ALLOY ASSURES A SEAL. ADJACENT CAVITIES OVER THE ALLOY ASSURES A SEAL. ADJACENT CAVITIES ARE ELECTRICALLY CONNECTED IN PAIRS TO PERMIT MELTING OF THE ALLOY AND SETTING OF THE SYNTHETIC RESIN SEAL BY A HEATING CURRENT PASSED THE TWO CAVITIES OF A PAIR.
Inventors
- 👤 Umberto Giacopelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:41
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/60; C25B9/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |