US3204977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple axle suspension
Assignee: IDA J EISENHAUER
•
Filing: 1962-01-08
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Granted: 1965-09-07
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Expires: 1982-01-08
Abstract
No abstract record available.
Inventors
- 👤 Leigh E Eisenhauer
- 👤 Ancil C Stover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:02
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/01; B62; B62D; B62D13/00; B62D13/02; B60G2200/00; B60G2200/30; B60G2200/314; B60G2200/315
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
243 words
A VEHICLE HAVING A FRAME, MEANS FOR SUPPORTING THE FRAME INCLUDING A PAIR OF AXLES EXTENDING TRANSVERSELY OF THE FRAME AND SPACED FROM EACH OTHER LENGTHWISE OF THE FRAME, MEANS RESPECTIVELY PIVOTALLY SUPPORTING THE AXLES ON THE FRAME FOR TURBING MOVEMENT RELATIVE TO THE FRAME ABOUT SUBSTANTIALLY VERTICAL AXES, AND A HYDRAULIC STABILIZER SYSTEM INTERCONNECTING SAID AXLES TO CORRELATE THE TURNING MOVEMENTS THEREOF, SAID STABILIZER SYSTEM INCLUDING A PAIR OF CYLINDERS SUPPORTED ON SAID FRAME HAVING PISTONS RESPECTIVELY SLIDABLY SUPPORTED THEREIN, FLUID CONDUITS RESPECTIVELY CONNECTING THE CYLINDERS AT OPPOSITE SIDES OF THE PISTONS, WHEREBY SLIDING MOVEMENT OF ONE PISTON IN ITS CYLINDER IMPARTS A SLIDING MOVEMENT TO THE OTHER PISTON IN THE OPPOSITE SENSE IN ITS CYLINDER BY THE DISPLACEMENT OF HYDRAULIC FLUID, AND MEANS OPERATIVELY INTERCONNECTING THE PISTONS OF SAID CYLINDERS AND THE RESPECTIVE AXLES TO CAUSE SAID AXLES TO TURN IN OPPOSITE DIRECTIONS TO POSITIONS SUCH THAT THE IMAGINARY EXTENSIONS OF SAID AXLES HAVE PORTIONS IMMEDIATELY ADJACENT THE CENTER OF TURN WHICH PASS BEHIND THE CENTER OF THE TURN, WITH REFERENCE TO THE DIRECTION OF FORWARD MOVEMENT OF THE VEHICLE, SO THAT THE FORWARDMOST AXLE OF SAID PAIR OF AXLES OVERSTEERS PATTERN, THE MOST AXLE UNDERSTEERS THE NATURAL STEERING PATTERN, THE CENTER OF THE TURN BEING THAT POINT WHERE THE IMAGINARY EXTENSIONS OF THE AXLES WOULD INTERSECT, WHEN THE VEHICLE IS TURNED FROM A STRAIGHT COURSE OF TRAVEL, IF THE AXLES ASSUMED POSITION IN EXACT CONFORMITY WITH THE NATURAL STEERING PATTERN.
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |