Patent US5357804A successfully refreshed from Google Patents.
US2521082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of silver chloride
Assignee: Burgess Battery Co
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Filing: 1947-07-09
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Granted: 1950-09-05
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Expires: 1967-07-09
Abstract
No abstract record available.
Inventors
- 👤 John B Mullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:44
CPC Classifications
C; C25; C25D; C25D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
IN ANODICALLY COATING SILVER CHLORIDE UPON A SILVER BODY IN AN ACIDIC AQUEOUS ELECTROLYTE CONTAINING A WATER-SOLUBLE CHLORIDE, THE IMPROVEMENT WHICH CONSISTS IN INCLUDING IN THE ELECTROLYTE A SUBSTANTIAL AMOUNT OF AN ALCOHOL FROM THE GROUP CONSISTING OF METHANOL AND ETHANOL.
Claim 2
Dependent Claim
41 words
IN ANODICALLY COATING SILVER CHLORIDE UPON A SILVER BODY IN AN ACIDIC AQUEOUS ELECTROLYTE CONTAINING A WATER-SOLUBLE CHLORIDE, THE IMPROVEMENT WHICH CONSISTS IN INCLUDING IN THE ELECTROLYTE A SUBSTANTIAL AMOUNT OF AN ALCOHOL FROM THE GROUP CONSISTING OF METHANOL AND ETHANOL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |