Body position attitude indicator device
Patent 4938476 Issued on July 3, 1990. Estimated Expiration Date: 
September 12, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 12, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1870347 2448597 3608541 3634885 3831163 Head movement indicating device Portable alarm for entry detection Tilt indicating device Fuel and wear saving device Offroad vehicle inclinometer and alarm InventorsApplicationNo. 406872 filed on 09/12/1989US Classes:482/148, MISCELLANEOUS340/573.7, Posture alarm340/668, Tension482/909, MECHANICAL INDICATOR600/534, Detecting body movement attending breathing600/595Body movement (e.g., head or hand tremor, motility of limb, etc.)ExaminersPrimary: Apley, Richard J.Assistant: Chen, Jose V. Attorney, Agent or FirmInternational ClassA63B 023/02AbstractA device, worn on a part of the human body, which alerts the wearer when that body part deviates a set angular amount from true vertical, comprising a housing containing an attitude responsive switch which controls an electrical circuit. When the switch is positioned or rotated beyond a set angle, the circuit is completed and a battery activates a buzzer. The device is adjustable by rotation of the housing such that the amount of allowable deviation can be increased or decreased. | |
