Patent US3580833A successfully refreshed from Google Patents.
US3580833A
Expired / Lapsed
US
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Mercury cell having rotating anode
Assignee: Olin Corp
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Filing: 1969-04-30
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Granted: 1971-05-25
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Expires: 1989-04-30
Abstract
Abstract A NEW ROTARY ANODE, MERCURY CATHODE ELECTROLYTIC CELL FOR THE MANUFACTURE OF CHLORINE AND CAUSTIC ALKALIES FROM AQUEOUS ALKALI METAL CHLORIDE BRINES PROVIDES THE ADVANTAGES OF HIGH CURRENT DENSITY, HIGH CURRENT EFFICIENCY, LOW FLOOR SPACE AND LOW COST PER TON OF PRODUCT.
Inventors
- 👤 Roy M Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:28
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/36; C25B11/00; C25B11/02; C25B11/033; C25B11/034; C25B9/00; C25B9/005; C25B9/30; C25B9/303; C25B9/70
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |