US2536697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cell and battery
Assignee: Individual
•
Filing: 1946-04-09
•
Granted: 1951-01-02
•
Expires: 1966-04-09
Abstract
No abstract record available.
Inventors
- 👤 Ruben Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:36
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M50/00; H01M50/50; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A DRY CELL COPRISING A ZINC ELECTRODE, A DEPOLARIZING ELECTRODE COMPRISING A METAL BASE IN INTIMATE CONTACT WITH A COHERENT CONDUCTIVE BODY OF DEPOLARIZING MATERIAL, SAID METAL BASE SERVING AS A TERMINAL FOR SAID DEPOLARIZER, AN ALKALINE ELECTROLYTE INTERPOSED BETWEEN AND IN CONTACT WITH SAID ELECTRODES, AND A TERMINAL COMPRISING MAGNESIUM IN INTIMATE CONTACT WITH SAID ZINC ELECTRODE
Claim 2
Dependent Claim
58 words
A DRY CELL COPRISING A ZINC ELECTRODE, A DEPOLARIZING ELECTRODE COMPRISING A METAL BASE IN INTIMATE CONTACT WITH A COHERENT CONDUCTIVE BODY OF DEPOLARIZING MATERIAL, SAID METAL BASE SERVING AS A TERMINAL FOR SAID DEPOLARIZER, AN ALKALINE ELECTROLYTE INTERPOSED BETWEEN AND IN CONTACT WITH SAID ELECTRODES, AND A TERMINAL COMPRISING MAGNESIUM IN INTIMATE CONTACT WITH SAID ZINC ELECTRODE
References Cited (Backward Citations)
US441130A
Cited
US1676007A
Cited
US2172604A
Cited
US1497160A
Cited
US1611153A
Cited
GB226806A
Cited
US1578494A
Cited
GB383065A
Cited
US2217719A
Cited
US2416079A
Cited
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 |