US3212612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch assist device with parallel acting resilient means
Assignee: Dana Inc
•
Filing: 1961-11-06
•
Granted: 1965-10-19
•
Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 William H Sink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:21
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/12; F16D23/14; F16D23/143; F16D23/144; F16D13/00; F16D13/58; F16D13/70; F16D13/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A SPRING LOADED CLUTCH DEVICE COMPRISING, (A) A DRIVE MEMBER, (B) A DRIVEN MEMBER, (C) A PAIR OF RESILIENT MEANS DISPOSED IN PARALLEL RERELATIONSHIP AND NORMALLY OPERATIVELY URGING SAID DRIVE MEMBER AND SAID DRIVEN MEMBER IN ENGAGEMENT, (D) AND A RELEASE MECHANISM FOR SAID DRIVE AND DRIVEN MEMBERS INCLUDING MEANS RENDERING ONE OF SAID RESILENT MEANS INOPRATIVE TO WAVE SAID MEMBERS INTO
Claim 2
Dependent Claim
62 words
A SPRING LOADED CLUTCH DEVICE COMPRISING, (A) A DRIVE MEMBER, (B) A DRIVEN MEMBER, (C) A PAIR OF RESILIENT MEANS DISPOSED IN PARALLEL RERELATIONSHIP AND NORMALLY OPERATIVELY URGING SAID DRIVE MEMBER AND SAID DRIVEN MEMBER IN ENGAGEMENT, (D) AND A RELEASE MECHANISM FOR SAID DRIVE AND DRIVEN MEMBERS INCLUDING MEANS RENDERING ONE OF SAID RESILENT MEANS INOPRATIVE TO WAVE SAID MEMBERS INTO
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |