Patent US916320A successfully refreshed from Google Patents.
US916320A
Expired / Lapsed
US
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Secondary battery.
Assignee: Individual
•
Filing: 1908-07-17
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Granted: 1909-03-23
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Expires: 1928-07-17
Abstract
No abstract record available.
Inventors
- 👤 Henry Francis Joel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:29
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/463; H01M50/469; 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) | 1912-03-22 | 1912-09-21 | 1913-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-03-22 | 1916-09-21 | 1917-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-03-22 | 1920-09-21 | 1921-03-23 | $7700.00 | Window Closed / Lapsed |