Patent US2465966A successfully refreshed from Google Patents.
US2465966A
Expired / Lapsed
US
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Railway truck
Assignee: Symington Gould Co
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Filing: 1944-01-07
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Granted: 1949-03-29
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Expires: 1964-01-07
Abstract
No abstract record available.
Inventors
- 👤 Glenn F Couch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:11
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)
US856111A
Cited
US972768A
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US977707A
Cited
US1763221A
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US1695456A
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US1907962A
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US2009771A
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US2317352A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |