US2439284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locomotive eccentric crankpin bearing
Assignee: Timken Co
•
Filing: 1944-08-24
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Granted: 1948-04-06
•
Expires: 1964-08-24
Abstract
No abstract record available.
Inventors
- 👤 Tracy V Buckwalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:08
CPC Classifications
F; F16; F16C; F16C9/00; F16C9/04; F16C19/00; F16C19/54; F16C19/541; F16C19/542; F16C19/543; F16C19/22; F16C19/34; F16C19/36; F16C19/364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB262751A
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US1765705A
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US1820017A
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US1886014A
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US1941460A
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US2215741A
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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) | 1951-04-06 | 1951-10-06 | 1952-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-06 | 1955-10-06 | 1956-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-06 | 1959-10-06 | 1960-04-06 | $7700.00 | Window Closed / Lapsed |