US3104096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated torsion spring
Assignee: Ford Motor Co
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Filing: 1961-07-03
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Granted: 1963-09-17
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry E Eirhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:15
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/02; F16F1/14; F16F1/16; F16F1/18; F16F1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A SPRING DEVICE HAVING A SOCKET WITH CONVERGING WALLS, AN END PORTION OF A SPRING MEMBER RECEIVED IN SAID SOCKET INTERMEDIATE SAID WALLS, A PLURALITY OF WEDGE MEMBERS IN SAID SOCKET, AT LEAST ONE WEDGE MEMBER POSITIONED INTERMEDIATE THE SPRING MEMBER AND ONE OF SAID CONVERGIN WALLS, SAID WEDGE MEMBER HAVING A PLANE SURFACE ABUTTING SAID CONVERGING WALL AND AN ARCUATE SURFACE OPPOSITE SAID PLANE SURFACE, A THRUST MEANS RECEIVED IN SAID SOCKET, SAID THRUST MEANS ADAPTED TO FORCE THE ARCUATE SURFACE OF SAID WEDGE MEMBER INTO GRIPPING ENGAGEMENT WITH SAID SPRING MEMBER TO RETAIN SAID ONE END OF THE LATTER IN SAID CONNECTION.
Claim 2
Dependent Claim
104 words
A SPRING DEVICE HAVING A SOCKET WITH CONVERGING WALLS, AN END PORTION OF A SPRING MEMBER RECEIVED IN SAID SOCKET INTERMEDIATE SAID WALLS, A PLURALITY OF WEDGE MEMBERS IN SAID SOCKET, AT LEAST ONE WEDGE MEMBER POSITIONED INTERMEDIATE THE SPRING MEMBER AND ONE OF SAID CONVERGIN WALLS, SAID WEDGE MEMBER HAVING A PLANE SURFACE ABUTTING SAID CONVERGING WALL AND AN ARCUATE SURFACE OPPOSITE SAID PLANE SURFACE, A THRUST MEANS RECEIVED IN SAID SOCKET, SAID THRUST MEANS ADAPTED TO FORCE THE ARCUATE SURFACE OF SAID WEDGE MEMBER INTO GRIPPING ENGAGEMENT WITH SAID SPRING MEMBER TO RETAIN SAID ONE END OF THE LATTER IN SAID CONNECTION.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |