US33854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in portable body-batteries
Assignee: —
•
Filing: —
•
Granted: 1861-12-03
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Expires: 1878-12-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:17
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/35
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) | 1864-12-02 | 1865-06-03 | 1865-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-12-02 | 1869-06-03 | 1869-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-12-02 | 1873-06-03 | 1873-12-03 | $7700.00 | Window Closed / Lapsed |