Patent US2905740A successfully refreshed from Google Patents.
US2905740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid electrolyte battery cell
Assignee: Sprague Electric Co
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Filing: 1957-05-27
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Granted: 1959-09-22
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Expires: 1977-05-27
Abstract
No abstract record available.
Inventors
- 👤 Donald M Smyth
- 👤 George A Shirn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:38
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A BATTERY CELL INCLUDING A METALLIC ELECTRON DONOR. ANODE AND ELECTRON ACCEPTOR CATHODE MATERIAL, SAID CATHODE MATERIAL INCORPORATING A POLYHALIDE ANION INCLUDING A CENTRAL HALOGEN AND AN AVAILABLE HALOGEN COVALENTLY BONDED THERETO AND SAID ANION HAVING THE PROPERTY OF DISSOCIATING TO PROVIDE A VAPOR OF SAID AVAILABLE HALOGEN.
Claim 2
Dependent Claim
48 words
A BATTERY CELL INCLUDING A METALLIC ELECTRON DONOR. ANODE AND ELECTRON ACCEPTOR CATHODE MATERIAL, SAID CATHODE MATERIAL INCORPORATING A POLYHALIDE ANION INCLUDING A CENTRAL HALOGEN AND AN AVAILABLE HALOGEN COVALENTLY BONDED THERETO AND SAID ANION HAVING THE PROPERTY OF DISSOCIATING TO PROVIDE A VAPOR OF SAID AVAILABLE HALOGEN.
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) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |