US2624291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway truck damping device
Assignee: Buckeye Steel Castings Co
•
Filing: 1946-06-25
•
Granted: 1953-01-06
•
Expires: 1966-06-25
Abstract
No abstract record available.
Inventors
- 👤 Columbus James C Settles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:53
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12; B61F5/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US716294A
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US972768A
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US2257109A
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US2278012A
Cited
US2378415A
Cited
US2408866A
Cited
US2392599A
Cited
US2424936A
Cited
US2437359A
Cited
US2456635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |