US652124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling electric motors and apparatus therefor.
Assignee: Individual
•
Filing: 1899-07-10
•
Granted: 1900-06-19
•
Expires: 1919-07-10
Abstract
No abstract record available.
Inventors
- 👤 Henry Leitner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:34
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/68
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) | 1903-06-19 | 1903-12-19 | 1904-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-06-19 | 1907-12-19 | 1908-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-06-19 | 1911-12-19 | 1912-06-19 | $7700.00 | Window Closed / Lapsed |