US2447654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque control system for electric reel motors
Assignee: Westinghouse Electric Corp
•
Filing: 1946-06-08
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Granted: 1948-08-24
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Expires: 1966-06-08
Abstract
No abstract record available.
Inventors
- 👤 Alonzo F Kenyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:01
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/195; B65H23/198; B65H23/182; B65H23/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2357087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-24 | 1952-02-23 | 1952-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-24 | 1956-02-23 | 1956-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-24 | 1960-02-23 | 1960-08-24 | $7700.00 | Window Closed / Lapsed |