Patent US940043A successfully refreshed from Google Patents.
US940043A
Expired / Lapsed
US
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Secondary battery.
Assignee: Individual
•
Filing: 1903-06-08
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Granted: 1909-11-16
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Expires: 1923-06-08
Abstract
No abstract record available.
Inventors
- 👤 William Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:58
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/42; H01M2300/00; H01M2300/0002; H01M2300/0014
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) | 1912-11-15 | 1913-05-17 | 1913-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-11-15 | 1917-05-17 | 1917-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-11-15 | 1921-05-17 | 1921-11-16 | $7700.00 | Window Closed / Lapsed |