US876445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolyte for alkaline storage batteries.
Assignee: EDISON STORAGE BATTERY CO
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Filing: 1907-05-10
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Granted: 1908-01-14
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Expires: 1927-05-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Edison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:40
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/24; H01M10/26; H01M10/30; H01M2300/00; H01M2300/0002; H01M2300/0014; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1911-01-13 | 1911-07-15 | 1912-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-01-13 | 1915-07-15 | 1916-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-01-13 | 1919-07-15 | 1920-01-14 | $7700.00 | Window Closed / Lapsed |