Patent US3073619A successfully refreshed from Google Patents.
US3073619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid spring vehicle suspensions
Assignee: GUY MOTORS EUROPE Ltd
•
Filing: 1960-06-27
•
Granted: 1963-01-15
•
Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Manning Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:11
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/033; B60G17/04; B60G17/052; B60G17/0523; B60G17/0525; Y; Y10; Y10S; Y10S267/00; Y10S267/01; Y10S280/00; Y10S280/01; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/87056; Y10T137/87153; Y10T137/87161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A FLUID SPRING SUSPENSION FOR WHEELED VEHICLES COMPRISING A FLUID SPRING MEANS FOR SUPPORTING EACH SIDE OF THE VEHICLE BODY ABOVE THE WHEEL UNITS THEREOF; A LEVELLING VALVE FOR CONTROLLING PASSAGE OF FLUID TO AND FROM EACH OF SAID FLUID SPRING MEANS; AND MASTER CONTROL MEANS FOR CONTROLLING PASSAGE OF FLUID TO AND FROM SAID LEVELLING VALVES AND SAID SPRING MEANS, SAID MASTER CONTROL MEANS INCLUDING A VALVE AND ACTUATING LINKAGE FOR SAID VALVE, SAID LINKAGE BEING CONNECTED TO OPERATE UPON RELATIVE MOVEMENT OF THE VEHICLE BODY AND THE WHEEL UNITS, SAID FLUID SPRING MEANS AND SAID LINKAGE LYING IN SUBSTANTIALLY THE SAME VERTICAL PLANE EXTENDING TRANSVERSELY OF THE VEHICLE WHEREBY SAID MASTER CONTROL MEANS NORMALLY PREVENTS PASSAGE OF FLUID TO OR FROM SAID SPRING MEANS BUT ENABLES PASSAGE OF FLOW TO OR FROM SAID SPRING MEANS UNDER THE CONTROL OF SAID LEVELLING VALVES WHEN THE POSITION OF THE WHEEL UNITS RELATIVE TO THE VEHICLE BODY VARIES A PREDETERMINED AMOUNT FROM THE DESIRED NORMAL POSITION.
Claim 2
Dependent Claim
165 words
A FLUID SPRING SUSPENSION FOR WHEELED VEHICLES COMPRISING A FLUID SPRING MEANS FOR SUPPORTING EACH SIDE OF THE VEHICLE BODY ABOVE THE WHEEL UNITS THEREOF; A LEVELLING VALVE FOR CONTROLLING PASSAGE OF FLUID TO AND FROM EACH OF SAID FLUID SPRING MEANS; AND MASTER CONTROL MEANS FOR CONTROLLING PASSAGE OF FLUID TO AND FROM SAID LEVELLING VALVES AND SAID SPRING MEANS, SAID MASTER CONTROL MEANS INCLUDING A VALVE AND ACTUATING LINKAGE FOR SAID VALVE, SAID LINKAGE BEING CONNECTED TO OPERATE UPON RELATIVE MOVEMENT OF THE VEHICLE BODY AND THE WHEEL UNITS, SAID FLUID SPRING MEANS AND SAID LINKAGE LYING IN SUBSTANTIALLY THE SAME VERTICAL PLANE EXTENDING TRANSVERSELY OF THE VEHICLE WHEREBY SAID MASTER CONTROL MEANS NORMALLY PREVENTS PASSAGE OF FLUID TO OR FROM SAID SPRING MEANS BUT ENABLES PASSAGE OF FLOW TO OR FROM SAID SPRING MEANS UNDER THE CONTROL OF SAID LEVELLING VALVES WHEN THE POSITION OF THE WHEEL UNITS RELATIVE TO THE VEHICLE BODY VARIES A PREDETERMINED AMOUNT FROM THE DESIRED NORMAL POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |