Patent US3700866A successfully refreshed from Google Patents.
Patent US2536696A successfully refreshed from Google Patents.
US2536696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cell
Assignee: Individual
•
Filing: 1945-11-28
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Granted: 1951-01-02
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Expires: 1965-11-28
Abstract
No abstract record available.
Inventors
- 👤 Ruben Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M4/00; H01M4/02; H01M4/36; H01M4/58; H01M4/5825
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A PRIMARY CELL COMPRISING A ZINC ANODE, A CATHODE COMPRISING AN ELECTRONICALLY CONDUCTIVE COHERENT MASS OF A PERMANGANATE COMPOUND IN INTIMATE MIXTURE WITH AN ELECTROLYTE ABSORBENT MATERIAL, AN IMMOBILIZED BODY OF ALKALINE ELECTROLYTE IN CONTACT WITH SAID ANODE AN D SPACED FROM SAID CATHODE, AND A POROUS BARRIER LAYER OF IONICALLY PERMEABLE MATERIAL WHICH IS INERT TO SAID ELECTROLYTE AND TO SAID PERMANGANATE INTERPOSED BETWEEN AND IN CONTACT WITH SAID CATHODE AND SAID BODY OF ELECTROLYTE.
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 |