US2807968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the automatic control of a friction clutch or brake or the like
Assignee: Daimler Benz AG
•
Filing: 1950-08-22
•
Granted: 1957-10-01
•
Expires: 1970-08-22
Abstract
No abstract record available.
Inventors
- 👤 Hans J M Forster
- 👤 Esslingen Kreis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:36
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/02; F16D48/0206; F16D2048/0209; F16D2048/0212; F16D2048/0227; F16D2048/0233; F16D2048/0257; F16D2048/0278; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |