US554759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric battery
Assignee: —
•
Filing: —
•
Granted: 1896-02-18
•
Expires: 1913-02-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:06
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/213; 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) | 1899-02-17 | 1899-08-19 | 1900-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-02-18 | 1903-08-20 | 1904-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-02-18 | 1907-08-20 | 1908-02-19 | $7700.00 | Window Closed / Lapsed |