Patent US3245898A successfully refreshed from Google Patents.
US3245898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic cell for the production of aluminum
Assignee: Rio Tinto Switzerland AG
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Filing: 1964-06-10
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Granted: 1966-04-12
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Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Wunderli Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:20
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/08; C25C3/10; C25C3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN ELECTROLYTIC CELL FOR THE PRODUCTION OF ALUMINUM IN A FUSED BATH CONTAINING IN A CATHODIC POT COMPRISING A RIGID CURRENT-CONDUCTING FRAME BEAM SPANNING THE POT FROM ONE END TO THE OTHER, ANODES ADAPTED TO EXTEND INTO SAID BATH AND ARRANGED IN A ROW ON ONE SIDE OF SAID FRAME BEAM, VERTICAL RODS CONNECTED TO SAID ANODES RESPECTIVELY, VERTICAL TOOTHED RACKS CONNECTED TO SAID ANODE RODS RESPECTIVELY, A SHAFT EXTENDING ALONG SAID BEAM AND SUPPORTED THEREON, MEANS FOR DRIVING SAID SHAFT, A SERIES OF PINIONS CARRIED BY SAID SHAFT IN SPACED RELATIONSHIP THEREALONG AND MESHING WITH SAID RACKS RESPECTIVELY, WHEREBY SAID ANODES ARE SUPPORTED INDIRECTLY FROM SAID FRAME BEAM,
Claim 2
Dependent Claim
109 words
AN ELECTROLYTIC CELL FOR THE PRODUCTION OF ALUMINUM IN A FUSED BATH CONTAINING IN A CATHODIC POT COMPRISING A RIGID CURRENT-CONDUCTING FRAME BEAM SPANNING THE POT FROM ONE END TO THE OTHER, ANODES ADAPTED TO EXTEND INTO SAID BATH AND ARRANGED IN A ROW ON ONE SIDE OF SAID FRAME BEAM, VERTICAL RODS CONNECTED TO SAID ANODES RESPECTIVELY, VERTICAL TOOTHED RACKS CONNECTED TO SAID ANODE RODS RESPECTIVELY, A SHAFT EXTENDING ALONG SAID BEAM AND SUPPORTED THEREON, MEANS FOR DRIVING SAID SHAFT, A SERIES OF PINIONS CARRIED BY SAID SHAFT IN SPACED RELATIONSHIP THEREALONG AND MESHING WITH SAID RACKS RESPECTIVELY, WHEREBY SAID ANODES ARE SUPPORTED INDIRECTLY FROM SAID FRAME BEAM,
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |