US2727612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction clutch
Assignee: Dana Inc
•
Filing: 1951-11-13
•
Granted: 1955-12-20
•
Expires: 1971-11-13
Abstract
No abstract record available.
Inventors
- 👤 Thelander W Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:36
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/22; F16D13/38; F16D13/46; F16D13/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB122250A
Cited
US1780222A
Cited
US1985301A
Cited
US2045557A
Cited
US2214780A
Cited
US2277221A
Cited
US2325193A
Cited
US2540463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |