US3174880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual electrolyte battery cells
Assignee: Individual
•
Filing: 1962-06-26
•
Granted: 1965-03-23
•
Expires: 1982-06-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Buitkus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:59
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A VOLTAIC CELL COMPRISING, IN COMBINATION, A METAL ANODE, AN AQUEOUS ANOLYTE, A CATHODE ELECTRODE FORMED SUBSTANTIALLY OF GRAPHITE FIBERS IN FABRIC FORM AND A CATHOLYTE COMPRISING ESSENTIALLY AN AQUEOUS SOLUTION OF AN ELECTROLYTICALLY REDUCIBLE ANION YIELDING COMPOUND, SAID ANOLYTE AND CATHOLYTE BEING SEPARATED BY AND MAKING ELECTROLYTIC CONTACT THROUGH AN ANION PERMEABLE MEMBRANE.
Claim 2
Dependent Claim
54 words
A VOLTAIC CELL COMPRISING, IN COMBINATION, A METAL ANODE, AN AQUEOUS ANOLYTE, A CATHODE ELECTRODE FORMED SUBSTANTIALLY OF GRAPHITE FIBERS IN FABRIC FORM AND A CATHOLYTE COMPRISING ESSENTIALLY AN AQUEOUS SOLUTION OF AN ELECTROLYTICALLY REDUCIBLE ANION YIELDING COMPOUND, SAID ANOLYTE AND CATHOLYTE BEING SEPARATED BY AND MAKING ELECTROLYTIC CONTACT THROUGH AN ANION PERMEABLE MEMBRANE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |