Patent US3159507A successfully refreshed from Google Patents.
US3159507A
Expired / Lapsed
US
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Separator for galvanic cells
Assignee: Alcatel Lucent SAS
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Filing: 1960-04-22
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Granted: 1964-12-01
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Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Abbe Pierre
- 👤 Genin Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:23
CPC Classifications
C; C04; C04B; C04B32/00; C04B32/005; H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/431; H01M50/434; H01M50/437; H01M50/44; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A STORAGE BATTERY HAVING THEREIN AN ELECTROLYTE, A PAIR OF ELECTRODES OF OPPOSITE POLARITY AND A SEPARATOR BETWEEN THE ELECTRODES, THE IMPROVEMENT IN WHICH THE SEPARATOR CONSISTS ENTIRELY AND SOLELY OF GLASS FIBERS AGGLOMERATED BY PARTIAL FUSION, SAID GLASS FIBERS HAVING THE SAME MINERAL COMPOSITION AND HAVING INSULATING PROPERTIES HIGHLY RESISTANT TO THE BATTERY ELECTROLYTE AND BEING OF DIFFERENT THERMOPLASTIC CHARACTERISTICS, SOME OF SAID FIBERS HAVING A LOWER SOFTENING TEMPERATURE THAN OTHERS TO INSURE THE CLOSE AGGLOMERATION OF FIBERS BY FUSION AND SUPERFICIAL VITRIFICATION OF THE FIBERS HAVING THE LOWEST SOFTENING POINT.
Claim 2
Dependent Claim
93 words
IN A STORAGE BATTERY HAVING THEREIN AN ELECTROLYTE, A PAIR OF ELECTRODES OF OPPOSITE POLARITY AND A SEPARATOR BETWEEN THE ELECTRODES, THE IMPROVEMENT IN WHICH THE SEPARATOR CONSISTS ENTIRELY AND SOLELY OF GLASS FIBERS AGGLOMERATED BY PARTIAL FUSION, SAID GLASS FIBERS HAVING THE SAME MINERAL COMPOSITION AND HAVING INSULATING PROPERTIES HIGHLY RESISTANT TO THE BATTERY ELECTROLYTE AND BEING OF DIFFERENT THERMOPLASTIC CHARACTERISTICS, SOME OF SAID FIBERS HAVING A LOWER SOFTENING TEMPERATURE THAN OTHERS TO INSURE THE CLOSE AGGLOMERATION OF FIBERS BY FUSION AND SUPERFICIAL VITRIFICATION OF THE FIBERS HAVING THE LOWEST SOFTENING POINT.
References Cited (Backward Citations)
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US2336797A
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US2677007A
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US2978529A
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FR1149289A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |