US3587296A
Expired / Lapsed
US
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Apparatus to determine the out of balance moment of an object
Assignee: British Hovercraft Corp Ltd
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Filing: 1968-11-21
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Granted: 1971-06-28
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Expires: 1988-11-21
Abstract
Abstract AN OUT OF BALANCE DEVICE INCORPORATES A FIRST PLATFORM WHICH IS ADJUSTABLE RELATIVE TO A HORIZONTAL PLANE AND WHICH SUPPORTS ABOVE IT A SECOND PLATFORM BY A GIMBAL DEVICE HAVING ORTHOGONAL AXES. TURNING OF THE GIMBAL DEVICE ABOUT ITS AXES IS LIMITED BY A TORSION DEVICE AND A MEASURING DEVICE MEASURES THE LIMITING TORQUE LOAD EXERTED BY THE TORSION DEVICE. THE SECOND PLATFORM INCLUDES A LEVELING INDICATOR.
Inventors
- 👤 Lawrence Brian Povoas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:01
CPC Classifications
G; G01; G01L; G01L5/00; G01M; G01M1/00; G01M1/12
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |