US2525490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locomotive
Assignee: Westinghouse Electric Corp
•
Filing: 1946-06-15
•
Granted: 1950-10-10
•
Expires: 1966-06-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Kerr
- 👤 Winston A Brecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:31
CPC Classifications
F; F01; F01K; F01K15/00; F01K15/02; F01K15/025; B; B60; B60L; B60L50/00; B60L50/10; B60L50/12; 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)
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US1978080A
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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 |