Patent US2536699A successfully refreshed from Google Patents.
US2536699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline dry cell
Assignee: Individual
•
Filing: 1947-06-06
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Granted: 1951-01-02
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Expires: 1967-06-06
Abstract
No abstract record available.
Inventors
- 👤 Ruben Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:51
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M50/00; H01M50/50; H01M50/543; H01M50/552; H01M50/559; H01M50/56; H01M6/14; H01M6/18; H01M6/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PRIMARY CELL COMPRISING, IN COMBINATION, A PAIR OF ELECTARODES AND A SOLID CRYSTALLIZED ALKALINE ELECTROLYTE BETWEEN SAID ELECTRODES AND IN CONTACT THEREWITH, SAID ELECTROLYTE CONTAINING AS ITS ESSENTIAL CONSTITUENT A SOLIDIFIED AQUEOUS ALKALI METAL HYDROXIDE SOLUTION AND AT LEAST 28% WATER OF HYDRATION TO RENDER SAID ELECTROLYTE OPERATIVE FOR IONIC CONDUCTION.
Claim 2
Dependent Claim
52 words
A PRIMARY CELL COMPRISING, IN COMBINATION, A PAIR OF ELECTARODES AND A SOLID CRYSTALLIZED ALKALINE ELECTROLYTE BETWEEN SAID ELECTRODES AND IN CONTACT THEREWITH, SAID ELECTROLYTE CONTAINING AS ITS ESSENTIAL CONSTITUENT A SOLIDIFIED AQUEOUS ALKALI METAL HYDROXIDE SOLUTION AND AT LEAST 28% WATER OF HYDRATION TO RENDER SAID ELECTROLYTE OPERATIVE FOR IONIC CONDUCTION.
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) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |