Patent US2531228A successfully refreshed from Google Patents.
US2531228A
Expired / Lapsed
US
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Torque measuring system
Assignee: Baldwin Locomotive Works
•
Filing: 1945-05-23
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Granted: 1950-11-21
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Expires: 1965-05-23
Abstract
No abstract record available.
Inventors
- 👤 William D Macgeorge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:46
CPC Classifications
G; G01; G01L; G01L3/00; G01L3/02; G01L3/04; G01L3/10; G01L3/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US925180A
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DE470454C
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DE485967C
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US1775276A
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US2065884A
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US2073394A
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US2292549A
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US2392293A
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US2415513A
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US2386008A
Cited
US2431260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |