Patent US2684989A successfully refreshed from Google Patents.
US2684989A
Expired / Lapsed
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Zinc-silver peroxide dunk-pile battery
Assignee: United States Department of the Army
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Filing: 1953-05-04
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Granted: 1954-07-27
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Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Nicholas T Wilburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:04
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/34; H01M6/42; H01M6/46; H01M6/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A DUNK PILE TYPE BATTERY COMPRISING A PILE OF THIN, FLAT CELLS EACH OF SAID FLAT CELLS COMPRISING A ZINC NEGATIVE ELECTRODE, A SILVER PEROXIDE POSITIVE ELECTRODE, A SPACER OF BIBULOUS ELECTROLYTE RETAINING MATERIAL BETWEEN SAID ELECTRODES AND CONDUCTIVE INTERCELL WALLS OF LIQUID-TIGHT MATERIAL BETWEEN THE CELLS CHARACTERIZED IN THAT SAID INTERCELL WALLS CONSIST OF A METAL PLATE INCLOSED IN A FRAME STRUCTURE THAT EXTENDS PERPENDICULARLY BEYOND BOTH SURFACES OF THE PLATE SO AS TO FORM A BOX-LIKE CONTAINER ON ONE SURFACE OF THE INTERCELL WALL FOR THE NEGATIVE ELECTRODIC MATERIAL OF ONE CELL AND ANOTHER BOX-LIKE CONTAINER ON THE OTHER SURFACE OF THE INTERCELL WALL FOR THE POSITIVE ELECTRODIC MATERIAL OF THE ADJACENT CELL, SAID FRAME STRUCTURE CONSISTING OF FOUR SEGMENTS ONE OF THESE SEGMENTS ON BOTH SURFACES OF THE PLATE EXTENDING OUTWARDLY TO A LESSER DEGREE THAN THE OTHER SEGMENTS.
Claim 2
Dependent Claim
143 words
IN A DUNK PILE TYPE BATTERY COMPRISING A PILE OF THIN, FLAT CELLS EACH OF SAID FLAT CELLS COMPRISING A ZINC NEGATIVE ELECTRODE, A SILVER PEROXIDE POSITIVE ELECTRODE, A SPACER OF BIBULOUS ELECTROLYTE RETAINING MATERIAL BETWEEN SAID ELECTRODES AND CONDUCTIVE INTERCELL WALLS OF LIQUID-TIGHT MATERIAL BETWEEN THE CELLS CHARACTERIZED IN THAT SAID INTERCELL WALLS CONSIST OF A METAL PLATE INCLOSED IN A FRAME STRUCTURE THAT EXTENDS PERPENDICULARLY BEYOND BOTH SURFACES OF THE PLATE SO AS TO FORM A BOX-LIKE CONTAINER ON ONE SURFACE OF THE INTERCELL WALL FOR THE NEGATIVE ELECTRODIC MATERIAL OF ONE CELL AND ANOTHER BOX-LIKE CONTAINER ON THE OTHER SURFACE OF THE INTERCELL WALL FOR THE POSITIVE ELECTRODIC MATERIAL OF THE ADJACENT CELL, SAID FRAME STRUCTURE CONSISTING OF FOUR SEGMENTS ONE OF THESE SEGMENTS ON BOTH SURFACES OF THE PLATE EXTENDING OUTWARDLY TO A LESSER DEGREE THAN THE OTHER SEGMENTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |