US893330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary battery.
Assignee: FRANZ SIGEL
•
Filing: 1906-12-19
•
Granted: 1908-07-14
•
Expires: 1926-12-19
Abstract
No abstract record available.
Inventors
- 👤 John Knobloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:05
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/76; H01M4/765; 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) | 1911-07-14 | 1912-01-13 | 1912-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-07-14 | 1916-01-13 | 1916-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-07-14 | 1920-01-13 | 1920-07-14 | $7700.00 | Window Closed / Lapsed |