US3198668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two layer zinc anode
Assignee: VARTA Pertrix Union GmbH
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Filing: 1961-02-13
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Granted: 1965-08-03
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Schneider Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:23
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M10/00; H01M10/24; H01M6/00; H01M6/04; H01M6/06; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A TWO-LAYER ZINC ELECTRODE FOR A BATTERY CELL, SAID ELECTRODE CONSISTING OF AN EXPANDED ZINC SHEET AND, ADJACENT THERETO, A LAYER OF A PARTICULATE ZINC ALLOY HAVING A SMALL DIFFERENTIAL IN POTENTIAL IN RELATION TO THE EXPANDED ZINC SHEET, THE ZINC ALLOY BEING LESS NOBLE THAN THE EXPANDED ZINC SHEET, A FIBROUS SHEET BEING PROVIDED FOR CARRYING THE PARTICULATE ZINC ALLOY LAYER.
Claim 2
Dependent Claim
62 words
A TWO-LAYER ZINC ELECTRODE FOR A BATTERY CELL, SAID ELECTRODE CONSISTING OF AN EXPANDED ZINC SHEET AND, ADJACENT THERETO, A LAYER OF A PARTICULATE ZINC ALLOY HAVING A SMALL DIFFERENTIAL IN POTENTIAL IN RELATION TO THE EXPANDED ZINC SHEET, THE ZINC ALLOY BEING LESS NOBLE THAN THE EXPANDED ZINC SHEET, A FIBROUS SHEET BEING PROVIDED FOR CARRYING THE PARTICULATE ZINC ALLOY LAYER.
References Cited (Backward Citations)
CA607815A
Cited
US2422045A
Cited
US2501673A
Cited
US2739179A
Cited
US2994625A
Cited
US3069486A
Cited
US3099899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |