US2740359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway truck
Assignee: General Steel Castings Corp
•
Filing: 1953-04-06
•
Granted: 1956-04-03
•
Expires: 1973-04-06
Abstract
No abstract record available.
Inventors
- 👤 Jr James C Travilla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:56
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/50; B61F5/52; B61F3/00; B61F3/02; B61F3/04; B61F3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924237A
Cited
US1992506A
Cited
US2099031A
Cited
US2317398A
Cited
US2284696A
Cited
US2259049A
Cited
US2496644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |