US2623915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negative electrode for battery cells
Assignee: Thomas A Edison Inc
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Filing: 1951-02-08
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Granted: 1952-12-30
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Expires: 1971-02-08
Abstract
No abstract record available.
Inventors
- 👤 Moulton Joseph Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:43
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M4/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A NEGATIVE PLATE FOR A PRIMARY CELL ADAPTED FOR DISCHARGE IN ONE OPERATION AT HIGH CURRENT, COMPRISING A METALLIC WIRE GAUZE, AND AN ADHERENT COATING ON SAID GAUZE COMPRISING AN OVEN-DRIED MIXTURE OF ZINC POWDER AND WATER-SOLUBLE VEGETABLE GUM.
Claim 2
Dependent Claim
39 words
A NEGATIVE PLATE FOR A PRIMARY CELL ADAPTED FOR DISCHARGE IN ONE OPERATION AT HIGH CURRENT, COMPRISING A METALLIC WIRE GAUZE, AND AN ADHERENT COATING ON SAID GAUZE COMPRISING AN OVEN-DRIED MIXTURE OF ZINC POWDER AND WATER-SOLUBLE VEGETABLE GUM.
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) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |