US2454271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction coupling device
Assignee: Timken Detroit Axle Co
•
Filing: 1944-03-27
•
Granted: 1948-11-23
•
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 05:31
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US295656A
Cited
GB190109309A
Cited
US1847389A
Cited
US1873479A
Cited
US1887377A
Cited
US1925897A
Cited
US2196396A
Cited
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 |