Patent US4414110A successfully refreshed from Google Patents.
US651247A
Expired / Lapsed
US
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Chemical electric generator.
Assignee: HERMAN J DERCUM
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Filing: 1896-08-31
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Granted: 1900-06-05
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Expires: 1916-08-31
Abstract
No abstract record available.
Inventors
- 👤 Henry K Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:15
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/18; H01M8/184; H01M8/186; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
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) | 1903-06-05 | 1903-12-05 | 1904-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-06-05 | 1907-12-05 | 1908-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-06-05 | 1911-12-05 | 1912-06-05 | $7700.00 | Window Closed / Lapsed |