Patent US2460211A successfully refreshed from Google Patents.
US2460211A
Expired / Lapsed
US
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Railway truck journal box mounting
Assignee: Symington Gould Co
•
Filing: 1944-09-20
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Granted: 1949-01-25
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Expires: 1964-09-20
Abstract
No abstract record available.
Inventors
- 👤 Donald S Barrows
- 👤 Emil H Blattner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:40
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/26; B61F5/30; B61F5/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US299510A
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US550220A
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US2053990A
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US1951547A
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US2168293A
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US2299560A
Cited
US2355450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |