US2833847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive plate for batteries
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1954-07-09
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Granted: 1958-05-06
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Expires: 1974-07-09
Abstract
No abstract record available.
Inventors
- 👤 Salauze Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:56
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/34; H01M4/86; H01M4/8605; H01M4/8621; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/1216; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12896; Y10T428/12944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A METHOD OF PRODUCING AN ELECTRODE FOR USE AS A POSITIVE PLATE FOR A CHARGED ALKALINE CELL, COMPRISING THE STEPS OF PREPARING A MIXTURE BY INTIMATELY MIXING A FINELY DIVIDED NICKEL POWDER HAVING A DENSITY OF APPROXIMATELY 0.9 AND A SILVER PROVIDING SUBSTANCE IN THE FORM OF FINELY DIVIDED POWDER CAPABLE OF PASSING AN APPROXIMATELY 300 MESH/SQ. IN. SCREEN, WITH THE MAJOR PORTION BY WEIGHT OF THE MIXTURE BEING THE SILVER PROVIDING SUBSTANCE, PROVIDING A SUPPORTING MEMBER HAVING INTERSTICES, COATING
Claim 2
Independent Claim
80 words
A METHOD OF PRODUCING AN ELECTRODE FOR USE AS A POSITIVE PLATE FOR A CHARGED ALKALINE CELL, COMPRISING THE STEPS OF PREPARING A MIXTURE BY INTIMATELY MIXING A FINELY DIVIDED NICKEL POWDER HAVING A DENSITY OF APPROXIMATELY 0.9 AND A SILVER PROVIDING SUBSTANCE IN THE FORM OF FINELY DIVIDED POWDER CAPABLE OF PASSING AN APPROXIMATELY 300 MESH/SQ. IN. SCREEN, WITH THE MAJOR PORTION BY WEIGHT OF THE MIXTURE BEING THE SILVER PROVIDING SUBSTANCE, PROVIDING A SUPPORTING MEMBER HAVING INTERSTICES, COATING
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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |