US727117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible galvanic battery.
Assignee: EDISON STORAGE BATTERY CO
•
Filing: 1902-10-03
•
Granted: 1903-05-05
•
Expires: 1922-10-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Edison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:59
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/248; H01M2300/00; H01M2300/0002; H01M2300/0014
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1906-05-04 | 1906-11-03 | 1907-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-05-04 | 1910-11-03 | 1911-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-05-04 | 1914-11-03 | 1915-05-05 | $7700.00 | Window Closed / Lapsed |