US1170974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of motor control.
Assignee: NILES-BEMENTPOND Co
•
Filing: 1911-05-29
•
Granted: 1916-02-08
•
Expires: 1931-05-29
Abstract
No abstract record available.
Inventors
- 👤 Samuel H Keefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:49
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/08; H02H7/085; H02H7/0851; H02P; H02P7/00; H02P7/03
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) | 1919-02-07 | 1919-08-09 | 1920-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-02-07 | 1923-08-09 | 1924-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-02-07 | 1927-08-09 | 1928-02-08 | $7700.00 | Window Closed / Lapsed |