Patent US3222270A successfully refreshed from Google Patents.
US3222270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-electrolytic cells
Assignee: Imperial Chemical Industries Ltd
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Filing: 1959-03-03
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Granted: 1965-12-07
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Expires: 1979-03-03
Abstract
No abstract record available.
Inventors
- 👤 Edwards George Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:34
CPC Classifications
C; C01; C01D; C01D1/00; C25; C25B; C25B9/00; C25B9/70; C25B9/73; C25B9/75; C25B9/77
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A MULTI-ELECTOLYTIC CELL COMPRISING A PLURALITY OF UNIT ELECTROLYTIC CELLS, EACH UNIT ELECTROLYTIC CELL HAVING AN ANODE AND A CATHODE, SAID UNIT ELECTROLYTIC CELLS BEING ARRANGED WITH THE ANODE OF ONE UNIT ELECTROLYTIC CELL JUXTAPOSED TO THE CATHODE OF THE NEXT UNIT ELECTROLYTIC CELL WITH AN INERT PARTITION SEPARATING THE ANODE OF ONE UNIT ELECTROLYTIC CELL FROM THE CATHODE OF THE ADJACENT UNIT ELECTROLTYE CELL, EACH INERT PARTITION BEING A CHEMICALLY INERT ELECTROCONDUCTING PARTITION OF TITANIUM METAL SHEET, EACH OF SAID TITANIUM METAL SHEETS HAVING ON ONE SUFACE AN ELECTRICALLY CONDUCTING LAYER WHICH IS IN ELECTRICAL CONTACT WITH SAID TITANIUM SHEET OVER ESSENTIALLY ALL OF SAID TITANIUM SURFACE, SAID AYER CONSTITUTING THE ANODE IN EACH UNIT ELECTROLYTIC CELL, THE OTHER SURFACE OF EACH SAID SHEET COMPRISING TITANIUM AND CONSTITUTING THE CATHODE OF THE NEXT ADJACENT UNIT ELECTROLYTIC CELL, SAID ANODE AND CATHODE CONSTITUTING THE SOLE ESSENTIAL WORKING ELECTRODES IN EACH SAID UNIT CELL.
Claim 2
Dependent Claim
153 words
A MULTI-ELECTOLYTIC CELL COMPRISING A PLURALITY OF UNIT ELECTROLYTIC CELLS, EACH UNIT ELECTROLYTIC CELL HAVING AN ANODE AND A CATHODE, SAID UNIT ELECTROLYTIC CELLS BEING ARRANGED WITH THE ANODE OF ONE UNIT ELECTROLYTIC CELL JUXTAPOSED TO THE CATHODE OF THE NEXT UNIT ELECTROLYTIC CELL WITH AN INERT PARTITION SEPARATING THE ANODE OF ONE UNIT ELECTROLYTIC CELL FROM THE CATHODE OF THE ADJACENT UNIT ELECTROLTYE CELL, EACH INERT PARTITION BEING A CHEMICALLY INERT ELECTROCONDUCTING PARTITION OF TITANIUM METAL SHEET, EACH OF SAID TITANIUM METAL SHEETS HAVING ON ONE SUFACE AN ELECTRICALLY CONDUCTING LAYER WHICH IS IN ELECTRICAL CONTACT WITH SAID TITANIUM SHEET OVER ESSENTIALLY ALL OF SAID TITANIUM SURFACE, SAID AYER CONSTITUTING THE ANODE IN EACH UNIT ELECTROLYTIC CELL, THE OTHER SURFACE OF EACH SAID SHEET COMPRISING TITANIUM AND CONSTITUTING THE CATHODE OF THE NEXT ADJACENT UNIT ELECTROLYTIC CELL, SAID ANODE AND CATHODE CONSTITUTING THE SOLE ESSENTIAL WORKING ELECTRODES IN EACH SAID UNIT CELL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |