US3655547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical cell having a bipolar electrode
Assignee: Lockheed Martin Corp
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Filing: 1969-08-27
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Granted: 1972-04-11
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Expires: 1989-08-27
Abstract
Abstract An electrochemical cell is disclosed which comprises a bipolar electrode having two spaced surfaces adapted for exposure to an oxidizing agent and a reducing agent, respectively. The two electrode surfaces are interconnected by ion and electron conveyance means. The electrochemical cell may be used in recovering sulfur from flue gases in the form of sulfuric acid of commercial purity and concentration.
Inventors
- 👤 Ernest H Lyons Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:12
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/69; C01B17/74; C01B17/76; C01B17/775
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3196050A
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US3480538A
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US3451911A
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US3461044A
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GB1147742A
Cited
US3553029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |