US911013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-control system.
Assignee: Westinghouse Electric Corp
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Filing: 1907-05-06
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Granted: 1909-01-26
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Expires: 1927-05-06
Abstract
No abstract record available.
Inventors
- 👤 Henry D James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:35
CPC Classifications
H; H02; H02P; H02P6/00; H02P6/14; H02P6/16; H02P6/18; H02P6/182
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) | 1912-01-26 | 1912-07-27 | 1913-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-01-26 | 1916-07-27 | 1917-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-01-26 | 1920-07-27 | 1921-01-26 | $7700.00 | Window Closed / Lapsed |