US3308691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch between a source of power and a member to be rotated
Assignee: Individual
•
Filing: 1965-09-29
•
Granted: 1967-03-14
•
Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Guier William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:24
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/16; E21B19/168; F; F16; F16H; F16H13/00; F16H13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN APPARATUS FOR ROTATING A MEMBER, INCLUDING, A MEMBER TO BE ROTATED POSITIONED AT THE LOCATION OF ROTATION, AN ENDLESS CHAIN HAVING A FINITE LENGTH WITHIN WHICH THE MEMBER IS CAPTURED, A SYSTEM OF PIVOT POINTS FOR THE CHAIN ARRANGED TO APPLY TO SURFACE OF THE FINITE LENGTH OF THE CHAIN WITH PREDETERMINED FORCE TO DEVELOP FRICTION BETWEEN THE CHAIN SURFACE AND THE MEMBER,
Claim 2
Independent Claim
64 words
AN APPARATUS FOR ROTATING A MEMBER, INCLUDING, A MEMBER TO BE ROTATED POSITIONED AT THE LOCATION OF ROTATION, AN ENDLESS CHAIN HAVING A FINITE LENGTH WITHIN WHICH THE MEMBER IS CAPTURED, A SYSTEM OF PIVOT POINTS FOR THE CHAIN ARRANGED TO APPLY TO SURFACE OF THE FINITE LENGTH OF THE CHAIN WITH PREDETERMINED FORCE TO DEVELOP FRICTION BETWEEN THE CHAIN SURFACE AND THE MEMBER,
References Cited (Backward Citations)
US2573212A
Cited
US2523159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |