Patent US2925358A successfully refreshed from Google Patents.
US2925358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-acid electrolyte
Assignee: Individual
•
Filing: 1957-08-13
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Granted: 1960-02-16
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Expires: 1977-08-13
Abstract
No abstract record available.
Inventors
- 👤 Maio Gus H De
- 👤 George P Peteler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:53
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/20; H01M10/22; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A STORAGE BATTERY ELECTROLYTE CHARACTERIZED BY ITS ABILITY TO MAINTAIN BATTERY PLATES SUBSTANTIALLY FREE OF CRYSTALLINE DEPOSITS, CONSISTING OF APPROXIMATELY 4% BY VOLUME OF MAGNESIUM SULPHATE, APPROXIMATELY 1% BY VOLUME OF COPPER SULPHATE, ABOUT 0.4% BY VOLUME OF A NON-FOAMING DETERGENT, NOT LESS THAN 10% BY VOLUME OF ALCOHOL, AND THE REMAINDER WATER.
Claim 2
Dependent Claim
53 words
A STORAGE BATTERY ELECTROLYTE CHARACTERIZED BY ITS ABILITY TO MAINTAIN BATTERY PLATES SUBSTANTIALLY FREE OF CRYSTALLINE DEPOSITS, CONSISTING OF APPROXIMATELY 4% BY VOLUME OF MAGNESIUM SULPHATE, APPROXIMATELY 1% BY VOLUME OF COPPER SULPHATE, ABOUT 0.4% BY VOLUME OF A NON-FOAMING DETERGENT, NOT LESS THAN 10% BY VOLUME OF ALCOHOL, AND THE REMAINDER WATER.
References Cited (Backward Citations)
US1468341A
Cited
US1483885A
Cited
US1652945A
Cited
US1685674A
Cited
AU175526A
Cited
US1749665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |