US2954746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radially guided, single axle, above center of gravity suspension for articulated trains
Assignee: CHESAPEAKE AND OHIO RAILWAY Co
•
Filing: 1956-01-10
•
Granted: 1960-10-04
•
Expires: 1976-01-10
Abstract
No abstract record available.
Inventors
- 👤 Alan R Cripe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:07
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/10; B61D3/12; B61F; B61F3/00; B61F3/12; B61F5/00; B61F5/02; B61F5/22; B61F5/24; B61F5/38; B61F5/44; B61G; B61G5/00; B61G5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR606366A
Cited
US2047336A
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US2141592A
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US2268439A
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US2252789A
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US2225242A
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GB528356A
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US2217033A
Cited
US2217034A
Cited
US2687099A
Cited
US2601928A
Cited
FR1064820A
Cited
US2746399A
Cited
US2893326A
Cited
US2839010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |