Patent US2556140A successfully refreshed from Google Patents.
US2556140A
Expired / Lapsed
US
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Sleeping car
Assignee: ThyssenKrupp Budd Co
•
Filing: 1945-06-14
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Granted: 1951-06-05
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Expires: 1965-06-14
Abstract
No abstract record available.
Inventors
- 👤 John C Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:07
CPC Classifications
B; B61; B61D; B61D1/00; B61D1/06; B61D1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |