US843814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for controlling valves or other movable devices from a distant station.
Assignee: General Electric Co
•
Filing: 1906-05-29
•
Granted: 1907-02-12
•
Expires: 1926-05-29
Abstract
No abstract record available.
Inventors
- 👤 Edward M Hewlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:41
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/28; B65; B65H; B65H2403/00; B65H2403/20; B65H2403/21
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) | 1910-02-11 | 1910-08-13 | 1911-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-02-11 | 1914-08-13 | 1915-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-02-11 | 1918-08-13 | 1919-02-12 | $7700.00 | Window Closed / Lapsed |