US3210063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydropneumatic suspension system
Assignee: Individual
•
Filing: 1962-12-31
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Granted: 1965-10-05
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Kirsch Jerry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:45
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G15/00; B60G15/08; B60G15/12; F; F16; F16K; F16K2200/00; F16K2200/20; F16K2200/202; F16K2200/203; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7779; Y10T137/7781; Y10T137/7784; Y10T137/7792; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7841
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
A HYDROPNEUMATIC VEHICLE SUSPENSION SYSTEM COMPRISING A VEHICLE BODY, AN AXLE ASSEMBLY DISPOSED BENEATH SAID VEHICLE BODY, A GROUND WHEEL ROTATABLY MOUNTED ON SAID AXLE ASSEMBLY, AND A HYDROPNEUMATIC SUSPENSION MOTOR MOUNTED ADJACENT SAID GROUND WHEEL IN INTERCONNECTING RELATIONSHIP BETWEEN SAID AXLE ASSEMBLY AND SAID VEHICLE BODY, SAID MOTOR INCLUDING A CYLINDER HAVING A CYLINDER BORE WITH CLOSED AND OPEN ENDS, A RESTRAINED PISTON HAVING APISTON HEAD RECIPROCABLY MOUNTED IN SAID CYLINDER BORE AND DEFINING WITH ITS CLOSED END AN INNER CHAMBER CONTAINING HYDRAULIC FLUID, SAID RESTRAINED PISTON HAVING A HOLLOW RESTRAINING PISTON ROD EXTENDING FROM SAID PISTON HEAD OUTWARDLY THROUGH SAID OPEN END OF SAID CYLINDER TO A CLOSED OUTER END AND CONTAINING A LONGITUDINAL BORE,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |