US2017989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic clutch mechanism
Assignee: Automatic Drive & Transmission
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Filing: 1934-03-15
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Granted: 1935-10-22
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Expires: 1954-03-15
Abstract
No abstract record available.
Inventors
- 👤 Eugene S Pleasonton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:49
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/06; F16D48/02; F16D2500/00; F16D2500/10; F16D2500/104; F16D2500/10406; F16D2500/10412; F16D2500/10443; F16D2500/10481; F16D2500/30; F16D2500/304; F16D2500/3041; F16D2500/30415; F16D2500/314; F16D2500/31406; F16D2500/31413; F16D2500/3146; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206; Y10T74/20612; Y10T74/20624
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-10-21 | 1939-04-22 | 1939-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-21 | 1943-04-22 | 1943-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-21 | 1947-04-22 | 1947-10-22 | $7700.00 | Window Closed / Lapsed |