US3751355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control circuit for an electrolytic cell
Assignee: Atek Ind Inc
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Filing: 1971-02-08
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Granted: 1973-08-07
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Expires: 1991-02-08
Abstract
Abstract A control circuit for an electrolytic cell in which a positive feedback loop is utilized to increase the voltage across and the current through the electrolyte as the conductivity of the electrolyte increases.
Inventors
- 👤 H Mandroian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:24
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/06; C25B; C25B15/00; C25B15/02; C25B15/023
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |