US2669597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric current producing cell with tin anode
Assignee: Individual
•
Filing: 1951-09-12
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Granted: 1954-02-16
•
Expires: 1971-09-12
Abstract
No abstract record available.
Inventors
- 👤 Ruben Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:38
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M6/00; H01M6/04; H01M6/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
33 words
AN ELECTRIC CURRENT PRODUCING CELL COMPRISING AN ANODE OF EXTENDED AREA CONSISTING PREPONDERANTLY OF TIN, AN OXYGEN PRODUCING CATHODE OF WHICH THE ACTIVE INGREDIENTS IS A PERMANGANATE, AND AN ELECTROLYTE OF POTASSIUM HYDROXIDE.
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) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |