US2783292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cell
Assignee: Individual
•
Filing: 1952-12-24
•
Granted: 1957-02-26
•
Expires: 1972-12-24
Abstract
No abstract record available.
Inventors
- 👤 Ruben Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:58
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M4/00; H01M4/02; H01M4/64; H01M6/06; H01M6/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN ELECTRIC CURRENT PRODUCING CELL COMPRISING AN ANODE OF ALUMINUM, AN ELECTROLYTE COMPOSED OF AN AQUEOUS SOLUTION OF A HOLGEN SALT OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF MANGANESE, NICKEL AND COBALT PLUS A BORATE OF AN ALKALI METAL, SAID ELECTROLYTE HAVING A PH BETWEEN 5 AND 5.6, AND A DEPOLARIZER.
Claim 2
Dependent Claim
53 words
AN ELECTRIC CURRENT PRODUCING CELL COMPRISING AN ANODE OF ALUMINUM, AN ELECTROLYTE COMPOSED OF AN AQUEOUS SOLUTION OF A HOLGEN SALT OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF MANGANESE, NICKEL AND COBALT PLUS A BORATE OF AN ALKALI METAL, SAID ELECTROLYTE HAVING A PH BETWEEN 5 AND 5.6, AND A DEPOLARIZER.
References Cited (Backward Citations)
US390748A
Cited
US1316836A
Cited
US706631A
Cited
US1008860A
Cited
US1140826A
Cited
GB199309A
Cited
US1978624A
Cited
FR882522A
Cited
US2542934A
Cited
US2552091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |