US2716670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline primary cells
Assignee: ERA Patents Ltd
•
Filing: 1954-01-11
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Granted: 1955-08-30
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Expires: 1974-01-11
Abstract
No abstract record available.
Inventors
- 👤 Bacon Francis Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:22
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; F; F16; F16J; F16J1/00; F16J1/10; F16J1/24; H01M8/00; H01M8/08; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AN ELECTRICAL PRIMARY CELL COMPRISING A CONTAINER, AN ELECTRODE OF NICKEL MOUNTED IN SAID CONTAINER AND HAVING A COATING OF NICKEL OXIDE IN WHICH LITHIUM IS INCORPORATED AND AN ALKALINE ELECTROLYTE IN CONTACT WITH SAID ELECTRODE.
Claim 2
Dependent Claim
36 words
AN ELECTRICAL PRIMARY CELL COMPRISING A CONTAINER, AN ELECTRODE OF NICKEL MOUNTED IN SAID CONTAINER AND HAVING A COATING OF NICKEL OXIDE IN WHICH LITHIUM IS INCORPORATED AND AN ALKALINE ELECTROLYTE IN CONTACT WITH SAID ELECTRODE.
References Cited (Backward Citations)
US2672494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |