US3365189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushioning device
Assignee: W H MINER Inc
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Filing: 1966-02-03
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Granted: 1968-01-23
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Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Robert L Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:35
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/30; F16F9/303; F16F2224/00; F16F2224/02; F16F2224/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A CUSHIONING DEVICE COMPRISING CASING MEANS WITH A CHAMBER THEREIN, A SPRING ASSEMBLY AT ONE END OF SAID CHAMBER, A PISTON ROD EXTENDING INWARDLY OF SAID CHAMBER AND SAID CASING MEANS, A PISTON HEAD AT THE END OF SAID PISTON ROD WITHIN SAID CHAMBER AND PROVIDING AXIAL ORIFICE MEANS, A COMPRESSIBLE SOLID FILLING SAID CHAMBER, SAID PISTON ROD BEING MOVABLE INTO SAID CHAMBER IN RESPONSE TO BUFF FORCES WHEREUPON SAID COMPRESSIBLE SOLID IS FORCED THROUGH SAID ORIFICE MEANS, AND THE ENERGY OF SUCH BUFF FORCES BEING DISSIPATED AS A RESULT OF COMPRESSION OF SAID SPRING ASSEMBLY AND REDUCTION IN VOLUME OF SAID COMPRESSIBLE SOLID.
Claim 2
Dependent Claim
104 words
A CUSHIONING DEVICE COMPRISING CASING MEANS WITH A CHAMBER THEREIN, A SPRING ASSEMBLY AT ONE END OF SAID CHAMBER, A PISTON ROD EXTENDING INWARDLY OF SAID CHAMBER AND SAID CASING MEANS, A PISTON HEAD AT THE END OF SAID PISTON ROD WITHIN SAID CHAMBER AND PROVIDING AXIAL ORIFICE MEANS, A COMPRESSIBLE SOLID FILLING SAID CHAMBER, SAID PISTON ROD BEING MOVABLE INTO SAID CHAMBER IN RESPONSE TO BUFF FORCES WHEREUPON SAID COMPRESSIBLE SOLID IS FORCED THROUGH SAID ORIFICE MEANS, AND THE ENERGY OF SUCH BUFF FORCES BEING DISSIPATED AS A RESULT OF COMPRESSION OF SAID SPRING ASSEMBLY AND REDUCTION IN VOLUME OF SAID COMPRESSIBLE SOLID.
References Cited (Backward Citations)
US2984478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |