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Patent US825837A successfully refreshed from Google Patents.
US825837A
Expired / Lapsed
US
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Separator for secondary-battery plates.
Assignee: RHODE ISLAND ELECTROMOBILE Co
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Filing: 1904-03-17
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Granted: 1906-07-10
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Expires: 1924-03-17
Abstract
No abstract record available.
Inventors
- 👤 Leonard Wheaton Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:13
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/463; 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) | 1909-07-09 | 1910-01-08 | 1910-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-07-09 | 1914-01-08 | 1914-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-07-09 | 1918-01-08 | 1918-07-10 | $7700.00 | Window Closed / Lapsed |