US3677927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolyzer
Assignee: PPG Industries Inc
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Filing: 1970-11-23
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Granted: 1972-07-18
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Expires: 1990-11-23
Abstract
Abstract AN ELECTROLYZER FOR THE ELECTROLYSIS OF BRINE IS DISCLOSED. THE ELECTROLYZER COMPRISES A PLURALITY OF ELECTROLYTIC CELLS MECHANICALLY AND ELECTRICALLY CONNECTED IN SERIES. THE CATHODES OF ANY INDIVIDUAL CELL IN THE ELECTROLYZER ARE FINGERS CONNECTED TO OPPOSITE INTERIOR SURFACES OF THE CELL. THE ANODES ARE BLADES MECHANICALLY CONNECTED TO THE BACK WALL OF THE CELL AND ELECTRICALLY CONNECTED TO THE CATHODES OF THE PRIOR CELL IN THE CIRCUIT.
Inventors
- 👤 Carl W Raetzsch
- 👤 Hugh Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:36
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B9/17; C25B9/19
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |