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US2861522A
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Light-weight rail truck
Assignee: Transit Research Corp
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Filing: 1956-11-13
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Granted: 1958-11-25
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Expires: 1976-11-13
Abstract
No abstract record available.
Inventors
- 👤 William T Rossell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:14
CPC Classifications
B; B61; B61F; B61F1/00; B61F1/08; B61F1/14; B61C; B61C9/00; B61C9/38; B61C9/48; B61C9/50; B61F5/00; B61F5/02; B61F5/04; B61F5/08; B61F5/14; B61F5/142; B61F5/148; B61F5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |