US3600231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercury cell
Assignee: ESB Inc
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Filing: 1969-11-28
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Granted: 1971-08-17
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Expires: 1989-11-28
Abstract
Abstract A MERCURY CELL IS DESCRIBED HAVING ADDITIVES IN THE MERCURIC DEPOLARIZER MIX WHICH HAVE THE EFFECT OF STABILIZING THE OPEN CIRCUIT VOLTAGE AND INHIBITING AGGLOMERATION OF MERCURY IN THE DEPOLARIZER MIX. THE PREFERRED ADDITIVE IS MN2O3 ALTHOUGH MN3O4 HAS BEEN FOUND TO BE SATISFACTORY. THE ADDITIVE IS MIXED WITH THE DEPOLARIZER MIX IN AMOUNTS RANGING FROM AT LEAST ABOUT 1% BY WEIGHT OF THE MIX TO A MIXIMUM PERCENTAGE CONSISTENT WITHH CAPACITY AND VOLUME REQUIREMENTS.
Inventors
- 👤 Robert J Dawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:08
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |