US3328208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead storage battery with solidified electrolyte and process of making same
Assignee: VARTA AG
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Filing: 1964-04-24
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Granted: 1967-06-27
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Expires: 1984-04-24
Abstract
No abstract record available.
Inventors
- 👤 Ryhiner Anita
- 👤 Voss Ernst
- 👤 Koenig Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:25
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/06; H01M10/08; H01M10/10; B; B01; B01J; B01J13/00; B01J13/0052; B01J13/0065; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/429; H01M2300/00; H01M2300/0002; H01M2300/0005; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
LEAD STORAGE BATTERY COMPRISING A CONTAINER, ELECTRODE PLATES OF OPPOSITE POLARITY, AND SANDWICHED BETWEEN SAID ELECTRODE PLATES, A FOIL-LIKE SOLIDEFIED ELECTROLYTE GEL COMPOSED OF PECTIN, A SUPPORTING MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL AND SYNTHETIC RUBBER AND A THERMOPLASTIC PLASTIC MATERIAL HAVING A SOFTENING POINT BELOW THE DECOMPOSTION TEMPERATURE OF PECTIN, AND SULFURIC ACID IN AN AMOUNT SUFFICIENT TO CAUSE SWELLING OF THE PECTIN AND TO CONVERT IT INTO A SOLIDIFIED GEL.
Claim 2
Dependent Claim
74 words
LEAD STORAGE BATTERY COMPRISING A CONTAINER, ELECTRODE PLATES OF OPPOSITE POLARITY, AND SANDWICHED BETWEEN SAID ELECTRODE PLATES, A FOIL-LIKE SOLIDEFIED ELECTROLYTE GEL COMPOSED OF PECTIN, A SUPPORTING MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL AND SYNTHETIC RUBBER AND A THERMOPLASTIC PLASTIC MATERIAL HAVING A SOFTENING POINT BELOW THE DECOMPOSTION TEMPERATURE OF PECTIN, AND SULFURIC ACID IN AN AMOUNT SUFFICIENT TO CAUSE SWELLING OF THE PECTIN AND TO CONVERT IT INTO A SOLIDIFIED GEL.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |