Patent US3606365A successfully refreshed from Google Patents.
US3606365A
Expired / Lapsed
US
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Active suspension system for a vehicle
Assignee: ThyssenKrupp Budd Co
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Filing: 1969-11-03
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Granted: 1971-09-20
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Expires: 1989-11-03
Abstract
Abstract AN ACTIVE SUSPENSION SYSTEM INCLUDES A FLUID OPERATED PISTON TO COMPENSATE FOR IRREGULAR MOVEMENTS OF A MAIN BODY OF A VEHICLE. A DETECTOR DETECTS THE MOVEMENT OF THE BODY OUT OF A PREDETERMINED PLANE OF MOVEMENT AND CONTROLS THE AMOUNT OF FLUID ACTUATING THE PISTON TO MAINTAIN THE BODY CLOSE TO ITS PREDETERMINED PLANE AS IT IS MOVED.
Inventors
- 👤 Philip M Strong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:48
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/056; B60G17/015; B60G17/018; B60G2600/00; B60G2600/02; B60G2600/60
Claims Analysis
Total Claims: 0
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |