Patent US2549653A successfully refreshed from Google Patents.
US2549653A
Expired / Lapsed
US
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Control apparatus for steam locomotives
Assignee: American Brake Shoe Co
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Filing: 1946-07-13
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Granted: 1951-04-17
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Expires: 1966-07-13
Abstract
No abstract record available.
Inventors
- 👤 Rosser L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:41
CPC Classifications
B; B61; B61C; B61C15/00; Y; Y10; Y10T; Y10T74/00; Y10T74/16; Y10T74/1625; Y10T74/1633; Y10T74/20; Y10T74/20207; Y10T74/20366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US428179A
Cited
US841588A
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US1828956A
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US2092381A
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US2170766A
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US2229340A
Cited
US2321059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |