US2636450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway truck
Assignee: ThyssenKrupp Budd Co
•
Filing: 1947-06-04
•
Granted: 1953-04-28
•
Expires: 1967-06-04
Abstract
No abstract record available.
Inventors
- 👤 Carolus L Eksergian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:28
CPC Classifications
B; B61; B61F; B61F3/00; B61F3/02; B61F3/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1423238A
Cited
US1178490A
Cited
US1536137A
Cited
US2047251A
Cited
US2023714A
Cited
US2023756A
Cited
US1967807A
Cited
US2119062A
Cited
US2171069A
Cited
US2197110A
Cited
US2290779A
Cited
US2246821A
Cited
US2300844A
Cited
US2267589A
Cited
US2258663A
Cited
US2277606A
Cited
US2322266A
Cited
US2317389A
Cited
US2350567A
Cited
US2374739A
Cited
US2396558A
Cited
US2402501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |