Patent US2425282A successfully refreshed from Google Patents.
US2425282A
Expired / Lapsed
US
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Railway truck frame
Assignee: ThyssenKrupp Budd Co
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Filing: 1943-09-17
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Granted: 1947-08-05
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Expires: 1963-09-17
Abstract
No abstract record available.
Inventors
- 👤 Ledwinks Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:24
CPC Classifications
B; B61; B61F; B61F3/00; B61F3/02; B61F3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US540174A
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US565404A
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US800921A
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US985913A
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US1781253A
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US1869229A
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US2150870A
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US2207848A
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US2040773A
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US2237757A
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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) | 1950-08-04 | 1951-02-03 | 1951-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-04 | 1955-02-03 | 1955-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-04 | 1959-02-03 | 1959-08-05 | $7700.00 | Window Closed / Lapsed |