Patent US2615403A successfully refreshed from Google Patents.
US2615403A
Expired / Lapsed
US
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Railway truck with damping means
Assignee: Buckeye Steel Castings Co
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Filing: 1945-05-08
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Granted: 1952-10-28
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Expires: 1965-05-08
Abstract
No abstract record available.
Inventors
- 👤 Claude L Orr
- 👤 James C Settles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:18
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)
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US1130665A
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US1844288A
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US2118006A
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US2257109A
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US2338857A
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US2352693A
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US2378414A
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US2378415A
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US2392597A
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US2434838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |