Patent US3178314A successfully refreshed from Google Patents.
US3178314A
Expired / Lapsed
US
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Compressed electrode assembly and process for making the same
Assignee: VARTA AG
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Filing: 1960-09-13
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Granted: 1965-04-13
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Expires: 1980-09-13
Abstract
No abstract record available.
Inventors
- 👤 Horn Lutz
- 👤 Philipp Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:16
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/04; H01M10/0422; H01M10/0427; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A FLAT-TYPE STORAGE CELL HAVING SUCCESSIVE STACKED LAYERS OF MATERIAL COMPRISING AN ELECTRODE ASSEMBLY ARRANGED IN COLUMNAR FORM, THE IMPROVEMENT COMPRISING AT LEAST TWO ELETRODE LAYERS OF COMPACTED ACTIVE DENDRITIC PULVERULENT MATERIAL DISPOSED ONE OVER THE OTHER, AND A SEPARATOR LAYER OF COMPACTED INACTIVE DENDRITIC PULVERULENT MATERIAL INTERPOSED BETWEEN THE RESPECTIVE ELECTRODE LAYERS, ALL OF SAID ELECTRODE AND SEPARATOR LAYERS BEING COMPACTED TOGETHER INTO AN INTEGRAL SELF-SUPPORTIN UNIT HAVING BONDING REGIONS AT THE INTERFACES BETWEEN THE LAYERS, SAID BONDING REGIONS COMPRISING INTERMIXED DENDRITIC PULVERULENT MATERIALS FROM THE RESPECITVE ADJOINING LAYERS.
Claim 2
Dependent Claim
91 words
IN A FLAT-TYPE STORAGE CELL HAVING SUCCESSIVE STACKED LAYERS OF MATERIAL COMPRISING AN ELECTRODE ASSEMBLY ARRANGED IN COLUMNAR FORM, THE IMPROVEMENT COMPRISING AT LEAST TWO ELETRODE LAYERS OF COMPACTED ACTIVE DENDRITIC PULVERULENT MATERIAL DISPOSED ONE OVER THE OTHER, AND A SEPARATOR LAYER OF COMPACTED INACTIVE DENDRITIC PULVERULENT MATERIAL INTERPOSED BETWEEN THE RESPECTIVE ELECTRODE LAYERS, ALL OF SAID ELECTRODE AND SEPARATOR LAYERS BEING COMPACTED TOGETHER INTO AN INTEGRAL SELF-SUPPORTIN UNIT HAVING BONDING REGIONS AT THE INTERFACES BETWEEN THE LAYERS, SAID BONDING REGIONS COMPRISING INTERMIXED DENDRITIC PULVERULENT MATERIALS FROM THE RESPECITVE ADJOINING LAYERS.
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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 |