US2696515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric storage battery
Assignee: Sonotone Corp
•
Filing: 1952-03-21
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Granted: 1954-12-07
•
Expires: 1972-03-21
Abstract
No abstract record available.
Inventors
- 👤 Heiman W Koren
- 👤 Baumstark George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:14
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/26; H01B; H01B3/00; H01B3/18; H01B3/30; H01M10/00; H01M10/24; H01M10/28; H01M10/281; H01M10/30; H01M50/00; H01M50/40; H01M50/409; H01M50/449; H01M50/454; H01M50/457; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN AN ELECTRIC STORAGE BATTERY CELL OF THE ALKALINE TYPE HAVING A PLURALITY OF ALTERNATELY ARRANGED POSITIVE AND NEGATIVE ELECTRODE PLATES AND A THIN ELECTROLYTE PERVIOUS INSULATING SEPARATOR FORMATION SEPARATING SAID PLATES, SAID SEPARATOR FORMATION COMPRISING TWO POROUS FABRIC LAYERS OF THREAD FABRIC AND A THIN CONTINUOUS STRATUM OF ELECTROLYTE PERVIOUS ELECTRICALLY INSULATING MATERIAL EXTENDING BETWEEN SAID TWO FABRIC LAYERS AND PROVIDING WITH SAID FABRIC LAYERS A CONTINUOUS PHYSICAL BARRIER AGAINST MIGRATION OF SOLID PARTICLES FROM ONE ELECTRODE PLATE TOWARDS AN ADJACENT PLATE.
Claim 2
Dependent Claim
83 words
IN AN ELECTRIC STORAGE BATTERY CELL OF THE ALKALINE TYPE HAVING A PLURALITY OF ALTERNATELY ARRANGED POSITIVE AND NEGATIVE ELECTRODE PLATES AND A THIN ELECTROLYTE PERVIOUS INSULATING SEPARATOR FORMATION SEPARATING SAID PLATES, SAID SEPARATOR FORMATION COMPRISING TWO POROUS FABRIC LAYERS OF THREAD FABRIC AND A THIN CONTINUOUS STRATUM OF ELECTROLYTE PERVIOUS ELECTRICALLY INSULATING MATERIAL EXTENDING BETWEEN SAID TWO FABRIC LAYERS AND PROVIDING WITH SAID FABRIC LAYERS A CONTINUOUS PHYSICAL BARRIER AGAINST MIGRATION OF SOLID PARTICLES FROM ONE ELECTRODE PLATE TOWARDS AN ADJACENT PLATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |