Patent US2632544A successfully refreshed from Google Patents.
US2632544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-speed friction clutch drive
Assignee: Motors Liquidation Co
•
Filing: 1947-08-22
•
Granted: 1953-03-24
•
Expires: 1967-08-22
Abstract
No abstract record available.
Inventors
- 👤 Chester E Hockert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:27
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/3023; F16H63/3026; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE420485C
Cited
US857393A
Cited
US1138098A
Cited
US1351597A
Cited
US1394952A
Cited
US1929185A
Cited
US2430799A
Cited
US2068062A
Cited
GB465612A
Cited
US2170538A
Cited
US2245857A
Cited
US2200071A
Cited
US2298645A
Cited
US2330024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |