US2546133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeping car
Assignee: ThyssenKrupp Budd Co
•
Filing: 1945-03-17
•
Granted: 1951-03-20
•
Expires: 1965-03-17
Abstract
No abstract record available.
Inventors
- 👤 John W Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:16
CPC Classifications
B; B61; B61D; B61D31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1011952A
Cited
US1224625A
Cited
US1647584A
Cited
US2000550A
Cited
US2147011A
Cited
US2316710A
Cited
US2312847A
Cited
US2323069A
Cited
US2383162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |