US1005420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling motors.
Assignee: Individual
•
Filing: 1909-12-14
•
Granted: 1911-10-10
•
Expires: 1929-12-14
Abstract
No abstract record available.
Inventors
- 👤 Frederic W Darlington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:31
CPC Classifications
B; B60; B60L; B60L9/00; B60L9/16; B60L9/30; B60L2200/00; B60L2200/26; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87708; Y10T137/87772
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) | 1914-10-09 | 1915-04-10 | 1915-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-10-09 | 1919-04-10 | 1919-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-10-09 | 1923-04-10 | 1923-10-10 | $7700.00 | Window Closed / Lapsed |