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Patent US2454271A successfully refreshed from Google Patents.
US2454271A
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Friction coupling device
Assignee: Timken Detroit Axle Co
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Filing: 1944-03-27
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Granted: 1948-11-23
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Expires: 1964-03-27
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Buckendale
- 👤 Ralph K Super
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:29
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US295656A
Cited
GB190109309A
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US1847389A
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US1873479A
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US1887377A
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US1925897A
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US2196396A
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US2251862A
Cited
US2287238A
Cited
US2337069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |