US724611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling device for electric motors.
Assignee: General Electric Co
•
Filing: 1898-08-13
•
Granted: 1903-04-07
•
Expires: 1918-08-13
Abstract
No abstract record available.
Inventors
- 👤 William B Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:53
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/681; E05F15/684; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106
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) | 1906-04-06 | 1906-10-06 | 1907-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-04-06 | 1910-10-06 | 1911-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-04-06 | 1914-10-06 | 1915-04-07 | $7700.00 | Window Closed / Lapsed |