US3711332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead gel storage battery
Assignee: Individual
•
Filing: 1971-09-09
•
Granted: 1973-01-16
•
Expires: 1991-09-09
Abstract
Abstract A LEAD ACID STORAGE BATTERY WHEREIN THE ELECTROLYTE IS IN GEL FORM. A SODIUM SILICATE SOLUTION IS MIXED WITH A SULPHURIC ACID OF APPROXIMATELY 1:310 SPECIFIC GRAVITY IN THE RATIO OF FROM 1:6 TO 1:10 AND IMMEDIATELY THEREAFTER IS POURED INTO A LEAD CELL STORAGE BATTERY IN WHICH POROUS GLASS FIBER SEPARATORS MAINTAIN THE SPACE BETWEEN THE POSITIVE AND NEGATIVE PLATES. A GEL ELECTROLYTE FORMS THE SHORTLY THEREAFTER. A SPACE IS MAINTAINED BETWEEN THE GEL AND THE TOP OF THE BATTERY TO ACCOMODATE A LIQUID PHASE WHICH FORMS FROM THE GEL.
Inventors
- 👤 S Bastacky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:17
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/06; H01M10/08; H01M10/10; 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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |