US2496644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway truck with lateral motion bolster
Assignee: General Steel Castings Corp
•
Filing: 1948-03-06
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Granted: 1950-02-07
•
Expires: 1968-03-06
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 07:48
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12; B61F5/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2061767A
Cited
US2138175A
Cited
US2076071A
Cited
US2264701A
Cited
US2264702A
Cited
US2434287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |