US2983777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rechargeable battery
Assignee: Yardney International Corp
•
Filing: 1956-07-23
•
Granted: 1961-05-09
•
Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Michel N Yardney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:13
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/42; H01M4/48; H01M4/54; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
IN AN ALKALINE CELL, IN COMBINATION, AN ALKALINE ELECTROLYTE, A POSITIVE ELECTRODE IN CONTACT WITH SAID ELECTROLYTE CONTAINING SILVER AS AN ACTIVE MATERIAL AND AN UNCHARGED NEGATIVE ELECTRODE IN CONTACT WITH SAID ELECTROLYTE CONTAIN-
Claim 2
Dependent Claim
34 words
IN AN ALKALINE CELL, IN COMBINATION, AN ALKALINE ELECTROLYTE, A POSITIVE ELECTRODE IN CONTACT WITH SAID ELECTROLYTE CONTAINING SILVER AS AN ACTIVE MATERIAL AND AN UNCHARGED NEGATIVE ELECTRODE IN CONTACT WITH SAID ELECTROLYTE CONTAIN-
References Cited (Backward Citations)
US307945A
Cited
US359877A
Cited
US976092A
Cited
US1028354A
Cited
US1139213A
Cited
US2018942A
Cited
US2526692A
Cited
US2594709A
Cited
US2542710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |