US2542990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic cell
Assignee: Imperial Chemical Industries Ltd
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Filing: 1946-09-09
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Granted: 1951-02-27
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Expires: 1966-09-09
Abstract
No abstract record available.
Inventors
- 👤 Carter Charles
- 👤 Ravenscroft Arthur Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:02
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B11/00; C25B11/02; C25B11/033; C25B9/30; C25B9/303; F; F16; F16J; F16J15/00; F16J15/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
AN ELECTROLYTIC CELL OF THE LIQUID ELECTRODE TYPE COMPRISING A BASE HAVING A FLAT TOP ON WHICH THE LIQUID ELECTRODE FLOWS AND DEPENDENT PERIPHERAL VERTICAL SIDES, A COVER HAVING A DEPENDENT VERTICAL SKIRT ENCLOSING SAID BASE, A SOLID ELECTRODE ENCLOSED WITHIN THE COVER CARRIED BY THE TO BE MADE AND BROKEN, COMPRISING A DEFORMABLE, RESILIENT PACKING IN THE FORM OF AN INFLATED, ENDLESS RUBBER TUBE POSITIONED BETWEEN THE DEPENDENT SKIRT AND THE PERIPHERAL VERTICAL SIDES OF THE BASE, AND MEANS FOR ADJUSTING THE HEIGHT OF SAID COVER RELATIVE TO THE BASE.
Claim 2
Dependent Claim
91 words
AN ELECTROLYTIC CELL OF THE LIQUID ELECTRODE TYPE COMPRISING A BASE HAVING A FLAT TOP ON WHICH THE LIQUID ELECTRODE FLOWS AND DEPENDENT PERIPHERAL VERTICAL SIDES, A COVER HAVING A DEPENDENT VERTICAL SKIRT ENCLOSING SAID BASE, A SOLID ELECTRODE ENCLOSED WITHIN THE COVER CARRIED BY THE TO BE MADE AND BROKEN, COMPRISING A DEFORMABLE, RESILIENT PACKING IN THE FORM OF AN INFLATED, ENDLESS RUBBER TUBE POSITIONED BETWEEN THE DEPENDENT SKIRT AND THE PERIPHERAL VERTICAL SIDES OF THE BASE, AND MEANS FOR ADJUSTING THE HEIGHT OF SAID COVER RELATIVE TO THE BASE.
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) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |