US3715003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer antifishtail control system
Assignee: Individual
•
Filing: 1970-10-15
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Granted: 1973-02-06
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Expires: 1990-10-15
Abstract
Abstract A TOWED VEHICLE ANTIFISHTAIL CONTROL SYSTEM IN WHICH A FERROMAGNETIC BALL FUNCTIONS AS AN ACCELERATION SENSING BODY AND IS MOVABLE IN RESPONSE TO LATERAL ACCELERATION SENSING THE TOWED VEHICLE, FROM A CENTRAL REST POSITION TO EITHER SIDE RELATIVE TO THE INCLINED BRANCHES OF A PATH PROVIDED BY RAMP ASSEMBLIES WHICH PREFERABLY ARE MOVABLY MOUNTED. MAGNETIC APPARATUS IS PROVIDED FOR ADJUSTABLY BIASING THE BALL TO HOLD IT IN ITS REST POSITION. MOVEMENT OF THE BALL ALONG EITHER PATH BRANCH RESULTS FIRST IN ACTUATION OF A WARNING DEVICE AND THEN ACTUATION OFTHE TOWED VEHICLE''S BRAKES. APPARATUS IS ALSO DISCLOSED FOR RELEASABLY TRAPPING THE BALL AT EITHER EXTREMITY OF ITS PATH.
Inventors
- 👤 A Jubenville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:37
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/24; B60T8/248; B60G; B60G17/00; B60G17/015; B60G17/019; B60G17/01908; B60T13/00; B60T13/10; B60T13/58; B60T13/74; H; H01; H01H; H01H35/00; H01H35/14
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) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |