US2525472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine-electric locomotive control system
Assignee: Westinghouse Electric Corp
•
Filing: 1947-08-28
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Granted: 1950-10-10
•
Expires: 1967-08-28
Abstract
No abstract record available.
Inventors
- 👤 Cyril E Baston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:28
CPC Classifications
B; B60; B60L; B60L50/00; B60L50/10; B60L50/11; B60L2200/00; B60L2200/26; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1829222A
Cited
US1929089A
Cited
US1949216A
Cited
US2195766A
Cited
US2290867A
Cited
US2245083A
Cited
US2231521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |