US3305227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High deflection spring or bumper
Assignee: Eagle Picher Co
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Filing: 1964-11-13
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Granted: 1967-02-21
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 John W Henley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:22
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/42; F16F1/422; F16F2236/00; F16F2236/02; Y; Y10; Y10S; Y10S16/00; Y10S16/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A SPRING ASSEMBLY INCLUDING TWO OPPOSED RELATIVELY MOVABLE MEMBERS AND A SPRING MOUNTED TO AT LEAST ONE OF SAID MEMBERS TO BE ENGAGED IN COMPRESSION ALONG AN AXIS OF MOVEMENT BETWEEN SAID MEMBERS, SAID SPRING COMPRISING A HOLLOW BODY OF ELASTOMERIC MATERIAL, SAID BODY HAVING A PLURALITY OF STEPPED WALL PORTIONS OF SEQUENTIALLY DECREASING OUTSIDE DIAMETERS, EACH PAIR OF PROXIMATE WALL PORTIONS BEING JOINED TOGETHER BY AN INTERMEDIATE AREA, EACH SAID INTERMEDIATE AREA BEING DEFINED BETWEEN AN OUTER EDGE WHICH ARTICULATELY JOINS THE STEPPED WALL PORTION PROXIMATE TO IT WHICH IS OF THE GREATER DIAMETER AND AN INNER EDGE WHICH ARTICULATELY JOINS THE STEPPED WALL PORTION PROXIMATE TO IT WHICH IS OF THE LESSER DIAMETER, THE EDGES AT WHICH EACH INTERMEDIATE AREA JOINS THE RESPECTIVE WALL PORTIONS CONSTITUTING HINGE AREAS ABOUT WHICH SAID INTERMEDIATE AREA FLEXES UPON
Claim 2
Dependent Claim
137 words
A SPRING ASSEMBLY INCLUDING TWO OPPOSED RELATIVELY MOVABLE MEMBERS AND A SPRING MOUNTED TO AT LEAST ONE OF SAID MEMBERS TO BE ENGAGED IN COMPRESSION ALONG AN AXIS OF MOVEMENT BETWEEN SAID MEMBERS, SAID SPRING COMPRISING A HOLLOW BODY OF ELASTOMERIC MATERIAL, SAID BODY HAVING A PLURALITY OF STEPPED WALL PORTIONS OF SEQUENTIALLY DECREASING OUTSIDE DIAMETERS, EACH PAIR OF PROXIMATE WALL PORTIONS BEING JOINED TOGETHER BY AN INTERMEDIATE AREA, EACH SAID INTERMEDIATE AREA BEING DEFINED BETWEEN AN OUTER EDGE WHICH ARTICULATELY JOINS THE STEPPED WALL PORTION PROXIMATE TO IT WHICH IS OF THE GREATER DIAMETER AND AN INNER EDGE WHICH ARTICULATELY JOINS THE STEPPED WALL PORTION PROXIMATE TO IT WHICH IS OF THE LESSER DIAMETER, THE EDGES AT WHICH EACH INTERMEDIATE AREA JOINS THE RESPECTIVE WALL PORTIONS CONSTITUTING HINGE AREAS ABOUT WHICH SAID INTERMEDIATE AREA FLEXES UPON
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |