Patent US2473010A successfully refreshed from Google Patents.
US2473010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick wheel change railway car truck
Assignee: American Steel Foundries
•
Filing: 1943-11-20
•
Granted: 1949-06-14
•
Expires: 1963-11-20
Abstract
No abstract record available.
Inventors
- 👤 Clasen Claus J Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:59
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/50; B61F5/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US773564A
Cited
US856111A
Cited
US965600A
Cited
US1009242A
Cited
US1114061A
Cited
US1594576A
Cited
US1650173A
Cited
US1650175A
Cited
US1787722A
Cited
US2199360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |