US3172650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomer spring devices
Assignee: D'EXPLOITATION DES RESSORTS AUTOAMORTISSEURS JARRET Ste
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Filing: 1962-06-13
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Granted: 1965-03-09
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 Jarret Jacques
- 👤 Jarret Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:09
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/3615
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A SPRING DEVICE COMPRISING AN ELONGATED TUBULAR CASING SEALED AT BOTH ENDS, A BODY OF ELASTOMER FILLING SAID CASING, SAID CASING BEING BENT SO AS TO HAVE TWO CURVED PORTIONS OF REVERSE CURVATURE AND A GENERALLY STRAIGHT INTERCONNECTING PORTION, ATTACHING MEANS FOR RESPECTIVE ENDS OF SAID CASING ADAPTED TO RESILIENTLY INTERCONNECT A PAIR OF MECHANICAL PARTS, SAID CURVED PORTIONS AND SAID INTERCONNECTING PORTION HAVING DIFFERENT CROSSSECTINAL CONFIGURATION, SAID INTERCONNECTING PORTION HAVING A CIRCULAR CROSS-SECTIONAL CONFIGURATION HAVING A LARGER CAPACITY PER UNIT LENGTH THAN THE TWO CURVED PORTIONS TO DEFINE A CONSTANT CAPACITY RESERVOIR OF ELASTOMER FOR IMPARTING NON-LINEAR DAMPING CHARACTERISTICS TO THE SPRING DEVICE.
Claim 2
Dependent Claim
104 words
A SPRING DEVICE COMPRISING AN ELONGATED TUBULAR CASING SEALED AT BOTH ENDS, A BODY OF ELASTOMER FILLING SAID CASING, SAID CASING BEING BENT SO AS TO HAVE TWO CURVED PORTIONS OF REVERSE CURVATURE AND A GENERALLY STRAIGHT INTERCONNECTING PORTION, ATTACHING MEANS FOR RESPECTIVE ENDS OF SAID CASING ADAPTED TO RESILIENTLY INTERCONNECT A PAIR OF MECHANICAL PARTS, SAID CURVED PORTIONS AND SAID INTERCONNECTING PORTION HAVING DIFFERENT CROSSSECTINAL CONFIGURATION, SAID INTERCONNECTING PORTION HAVING A CIRCULAR CROSS-SECTIONAL CONFIGURATION HAVING A LARGER CAPACITY PER UNIT LENGTH THAN THE TWO CURVED PORTIONS TO DEFINE A CONSTANT CAPACITY RESERVOIR OF ELASTOMER FOR IMPARTING NON-LINEAR DAMPING CHARACTERISTICS TO THE SPRING DEVICE.
References Cited (Backward Citations)
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US1722619A
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US1798645A
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US2261028A
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US2333793A
Cited
GB569919A
Cited
US2626799A
Cited
US2681800A
Cited
GB718153A
Cited
US2906525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |