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US2956515A
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US
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Railway vehicle truck steering structure
Assignee: General Steel Castings Corp
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Filing: 1956-10-25
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Granted: 1960-10-18
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Expires: 1976-10-25
Abstract
No abstract record available.
Inventors
- 👤 Richard L Lich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:21
CPC Classifications
B; B61; B61G; B61G5/00; B61G5/02; B61F; B61F5/00; B61F5/38; B61F5/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2746399A
Cited
US2884869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |