US2724732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making electrodes for alkaline batteries
Assignee: Yardney International Corp
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Filing: 1954-01-18
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Granted: 1955-11-22
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Expires: 1974-01-18
Abstract
No abstract record available.
Inventors
- 👤 Howard Paul Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:38
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/0438; H01M4/045; H01M4/0452; H01M10/00; H01M10/24; H01M2004/026; H01M2004/027; H01M2300/00; H01M2300/0002; H01M2300/0014; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS FOR MAKING A BATTERY ELECTRODE, COMPRISING THE STEPS OF FORMING AN ELECTRODE BODY FROM A SALT OF A METAL SELECTED FROM THE GROUP WHICH CONSISTS OF CADMIUM, COPPER AND LEAD, CATHODICALLY REDUCING SAID SALT TO SPONGY METAL, WASHING SAID ELECTRODE BODY WITH WATER, AND DRYING SAID ELECTRODE BODY IN A SUBSTANTIALLY OXYGEN-FREE ATMOSPHERE.
Claim 2
Dependent Claim
55 words
A PROCESS FOR MAKING A BATTERY ELECTRODE, COMPRISING THE STEPS OF FORMING AN ELECTRODE BODY FROM A SALT OF A METAL SELECTED FROM THE GROUP WHICH CONSISTS OF CADMIUM, COPPER AND LEAD, CATHODICALLY REDUCING SAID SALT TO SPONGY METAL, WASHING SAID ELECTRODE BODY WITH WATER, AND DRYING SAID ELECTRODE BODY IN A SUBSTANTIALLY OXYGEN-FREE ATMOSPHERE.
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) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |