Patent US3433340A successfully refreshed from Google Patents.
US3433340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch servocontrol apparatus for automotive vehicles
Assignee: Exedy Corp
•
Filing: 1967-05-22
•
Granted: 1969-03-18
•
Expires: 1987-05-22
Abstract
No abstract record available.
Inventors
- 👤 Kiyoharu Murakami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:32
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/02; F16D25/00; F16D25/08; F16D25/088; F16D25/12; F16D25/14; F16D48/04; F16D2048/0212; F16D2048/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2141678A
Cited
US3172335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |