US2583074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control system
Assignee: Westinghouse Electric Corp
•
Filing: 1946-10-24
•
Granted: 1952-01-22
•
Expires: 1966-10-24
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Allbert
- 👤 Basil J Auburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:34
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/195; B65H23/198; B65H23/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2043208A
Cited
US2168777A
Cited
US2306157A
Cited
US2333978A
Cited
US2305937A
Cited
US2315869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |