US3703446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of carrying out electrochemical processes in a fluidized-bed electrolytic cell
Assignee: Shell USA Inc
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Filing: 1968-02-08
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Granted: 1972-11-21
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Expires: 1988-02-08
Abstract
Abstract AN ELECTROLYTIC CELL USING AN ELECTROLYTE AND A PARTICULATE ELECTRODE IN A FLUDIZED CONDITION TO ACHIEVE A LARGE, CONTINUOUSLY DEPOLARIZED ELECTRODE SURFACE AREA.
Inventors
- 👤 Ernest W Haycock
- 👤 Richard Prober
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:17
CPC Classifications
C; C25; C25C; C25C5/00; C25C5/02; C25C7/00; C25C7/002
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) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |