US3328018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion underframe railway car hydraulic cushion arrangement
Assignee: Pullman Standard Inc
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Filing: 1965-06-28
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Granted: 1967-06-27
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Austgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:11
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A HYDRAULIC CUSHION DEVICE COMPRISING A CYLINDER, FLUID DISPLACEMENT MEANS RECIPROCABLE WITH SAID CYLINDER BETWEEN AN EXTENDED AND CONTRACTED POSITION, SAID FLUID DISPLACEMENT MEANS INCLUDING A PISTON ROD EXTENDING OUTWARDLY FROM ONE END OF SAID CYLINDER, THE IMPROVEMENT COMPRISING A GUIDING MEANS MOUNTED ON SAID CYLINDER, MEANS CONNECTED TO SAID PISTON ROD AND GUIDED WITHIN SAID GUIDING MEANS FOR RECIPROCATING MOVEMENT THEREIN, A FOLLOWER ROD DETACHABLY CONNECTED AT ONE END TO SAID GUIDED MEANS, A FOLLOWER MEANS CONNECTED TO THE OTHER END OF SAID FOLLOWER ROD, SPRING MEANS DISPOSED ABOUT SAID FOLLOWER ROD AND ENGAGING SAID FOLLOWER MEANS AT ONE END THEREOF, MEANS SLIDABLE ON SAID FOLLOWER MEANS FOR RETAINING SAID SPRING MEANS ON SAID ROD AND ENGAGING THE OTHER END OF SAID SPRING, AND MEANS FIXED ON SAID GUIDING MEANS ENGAGEABLE WITH SAID RETAINING MEANS FOR COMPRESSING SAID SPRING DURING RELATIVE CONTRACTION OF SAID CYLINDER AND SAID FLUID DISPLACEMENT MEANS.
Claim 2
Dependent Claim
152 words
IN A HYDRAULIC CUSHION DEVICE COMPRISING A CYLINDER, FLUID DISPLACEMENT MEANS RECIPROCABLE WITH SAID CYLINDER BETWEEN AN EXTENDED AND CONTRACTED POSITION, SAID FLUID DISPLACEMENT MEANS INCLUDING A PISTON ROD EXTENDING OUTWARDLY FROM ONE END OF SAID CYLINDER, THE IMPROVEMENT COMPRISING A GUIDING MEANS MOUNTED ON SAID CYLINDER, MEANS CONNECTED TO SAID PISTON ROD AND GUIDED WITHIN SAID GUIDING MEANS FOR RECIPROCATING MOVEMENT THEREIN, A FOLLOWER ROD DETACHABLY CONNECTED AT ONE END TO SAID GUIDED MEANS, A FOLLOWER MEANS CONNECTED TO THE OTHER END OF SAID FOLLOWER ROD, SPRING MEANS DISPOSED ABOUT SAID FOLLOWER ROD AND ENGAGING SAID FOLLOWER MEANS AT ONE END THEREOF, MEANS SLIDABLE ON SAID FOLLOWER MEANS FOR RETAINING SAID SPRING MEANS ON SAID ROD AND ENGAGING THE OTHER END OF SAID SPRING, AND MEANS FIXED ON SAID GUIDING MEANS ENGAGEABLE WITH SAID RETAINING MEANS FOR COMPRESSING SAID SPRING DURING RELATIVE CONTRACTION OF SAID CYLINDER AND SAID FLUID DISPLACEMENT MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |