US2823778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic clutch arrangement
Assignee: ZF Friedrichshafen AG
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Filing: 1956-07-30
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Granted: 1958-02-18
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Expires: 1976-07-30
Abstract
No abstract record available.
Inventors
- 👤 Binder Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:45
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/06; F16D48/068; F16D48/064; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/104; F16D2500/10406; F16D2500/10412; F16D2500/10443; F16D2500/10481; F16D2500/30; F16D2500/306; F16D2500/3067; F16D2500/31; F16D2500/3108; F16D2500/314; F16D2500/3146; F16D2500/50; F16D2500/504; F16D2500/5045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |