Patent US3172650A successfully refreshed from Google Patents.
US3172650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomer spring devices
Assignee: D'EXPLOITATION DES RESSORTS AUTOAMORTISSEURS JARRET Ste
•
Filing: 1962-06-13
•
Granted: 1965-03-09
•
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 10:42
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)
US636884A
Cited
US1722619A
Cited
US1798645A
Cited
US2261028A
Cited
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 |