US2622714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple clutch device
Assignee: CARDWELL Mfg CO Inc
•
Filing: 1947-04-08
•
Granted: 1952-12-23
•
Expires: 1967-04-08
Abstract
No abstract record available.
Inventors
- 👤 Harland W Cardwell
- 👤 Earl R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:08
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/04; F16D25/042; F16D25/044
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1690543A
Cited
US2005468A
Cited
US2082129A
Cited
US2060562A
Cited
US2108165A
Cited
US2190874A
Cited
US2304350A
Cited
US2370360A
Cited
US2386478A
Cited
US2462944A
Cited
US2409013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |