US2540427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locomotive control throttle handle
Assignee: Fairbanks Morse and Co
•
Filing: 1947-09-24
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Granted: 1951-02-06
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Expires: 1967-09-24
Abstract
No abstract record available.
Inventors
- 👤 Louis J Charles
- 👤 James E Justus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:30
CPC Classifications
G; G05; G05G; G05G9/00; G05G9/02; B; B60; B60K; B60K23/00; B61; B61C; B61C8/00; B60K2700/00; B60K2700/02; Y; Y10; Y10S; Y10S74/00; Y10S74/08; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18096; Y10T74/20; Y10T74/20012; Y10T74/20396
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2329742A
Cited
US2438410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |