US261513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mode and device for charging and discharging secondary batteries
Assignee: —
•
Filing: —
•
Granted: 1882-07-18
•
Expires: 1899-07-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:51
CPC Classifications
F; F03; F03D; F03D9/00; F03D9/10; F03D9/11; F03D9/20; F03D9/25; F03D9/28; H; H02; H02J; H02J9/00; H02J9/04; H02J9/06; H02J9/08; H02K; H02K7/00; H02K7/18; H02K7/1807; H02K7/1823; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E10/76; Y02E70/00; Y02E70/30
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) | 1885-07-17 | 1886-01-16 | 1886-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-07-17 | 1890-01-16 | 1890-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-07-17 | 1894-01-16 | 1894-07-18 | $7700.00 | Window Closed / Lapsed |