US2945078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline electric cells
Assignee: Yardney International Corp
•
Filing: 1956-12-03
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Granted: 1960-07-12
•
Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Christopher L C Chapman
- 👤 Skinner Peggy Jane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:46
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M10/00; H01M10/24; H01M10/32; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN ELECTROCHEMICAL CELL OF TH ALKALINE TYPE COMPRISING AT LEAST ONE NEGATIVE ELECTRODE AND AT LEAST ONE POSITIVE ELECTRODE, SAID POSITIVE ELECTRODE INCLUDING A COMBUSTION OF SILVER OXIDE AND SILVER HALIDE AS ITS ACTIVE MATERIAL, SAID HALIDE BEING PRESENT IN A PROPORTION OF SUBSTANTIALLY 5% TO 33% OF SAID ACTIVE MATERIAL
Claim 2
Dependent Claim
51 words
AN ELECTROCHEMICAL CELL OF TH ALKALINE TYPE COMPRISING AT LEAST ONE NEGATIVE ELECTRODE AND AT LEAST ONE POSITIVE ELECTRODE, SAID POSITIVE ELECTRODE INCLUDING A COMBUSTION OF SILVER OXIDE AND SILVER HALIDE AS ITS ACTIVE MATERIAL, SAID HALIDE BEING PRESENT IN A PROPORTION OF SUBSTANTIALLY 5% TO 33% OF SAID ACTIVE MATERIAL
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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |