US3723182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead acid storage battery wherein a positive plate comprises antimonydispersed throughout the active material
Assignee: ESB Inc
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Filing: 1971-10-27
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Granted: 1973-03-27
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Expires: 1991-10-27
Abstract
Abstract A STORAGE BATTERY POSITIVE ELECTRODE IS DISCLOSED HAVING A GRID STRUCTURE WITHOUT ANTIMONY AND A PASTE CONTAINING A SMALL CONTROLLED QUANTITY OF ANTIMONY THEREIN. METHODS OF PREPARATION OF THE ANTIMONY CONTAINING OXIDE BY THE USE OF CONVENTIONAL LEAD OXIDE PRODUCING EQUIPMENT IS ALSO DESCRIBED.
Inventors
- 👤 C Venuto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:37
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/0402; H01M4/0404; H01M4/0416; H01M4/0438; H01M4/044; H01M4/0442; H01M4/14; H01M4/36; H01M4/48; H01M4/56; H01M6/00; H01M6/42; H01M6/46; H01M6/48; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |