Patent US3178316A successfully refreshed from Google Patents.
US3178316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reserve battery
Assignee: Servel Inc
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Filing: 1960-08-02
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Granted: 1965-04-13
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Expires: 1980-08-02
Abstract
No abstract record available.
Inventors
- 👤 Milton E Wilke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:07
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/34; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/423; H01M50/44; H01M50/463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A DUPLEX CELL UNIT FOR RESERVE BATTERIES COMPRISING A SHEET-FORM ANODE, A SHEET-FORM CATHODE PROVIDED WITH A PLURALITY OF SUBSTANTIALLY PARALLEL SPACED-APART CORRUGATIONS, A METAL FOIL SHEET HAVING AT LEAST IS SURFACES COMPOSED OF SILVER INTERPOSED BETWEEN AND AFFIXED TO ONE FACE OF EACH OF SAID ANODE AND SAID CATHODE, AND A SEPARATOR COMPRISED OF A PLURALITY OF SUBSTANTIALLY PARALLEL SPACED-APART PLASTIC FILAMENTS AFFIXED TO THE OTHER SIDE OF SAID ANODE, SAID FILAMENTS INTERSECTING SAID CORRUGATIONS OF THE ADJACENT ELECTRODE AT AN ANGLE TO THEREBY ALLOW THE FLOW OF ELECTROLYTE THEREBETWEEN.
Claim 2
Dependent Claim
91 words
A DUPLEX CELL UNIT FOR RESERVE BATTERIES COMPRISING A SHEET-FORM ANODE, A SHEET-FORM CATHODE PROVIDED WITH A PLURALITY OF SUBSTANTIALLY PARALLEL SPACED-APART CORRUGATIONS, A METAL FOIL SHEET HAVING AT LEAST IS SURFACES COMPOSED OF SILVER INTERPOSED BETWEEN AND AFFIXED TO ONE FACE OF EACH OF SAID ANODE AND SAID CATHODE, AND A SEPARATOR COMPRISED OF A PLURALITY OF SUBSTANTIALLY PARALLEL SPACED-APART PLASTIC FILAMENTS AFFIXED TO THE OTHER SIDE OF SAID ANODE, SAID FILAMENTS INTERSECTING SAID CORRUGATIONS OF THE ADJACENT ELECTRODE AT AN ANGLE TO THEREBY ALLOW THE FLOW OF ELECTROLYTE THEREBETWEEN.
References Cited (Backward Citations)
US1332483A
Cited
US2590584A
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US2988587A
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US3005864A
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GB610719A
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US2931849A
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US2663749A
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |