Chair for sunbathing
Patent 4933618 Issued on June 12, 1990. Estimated Expiration Date: 
October 14, 2008. 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.
October 14, 2008. 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 3908666 Sun tanning table Revolving solar lounger Apparatus for controlling the directional orientation of a radiation receiver device to a light source Rotating platform for sunbathers Patent #: 4720140 InventorApplicationNo. 257844 filed on 10/14/1988US Classes:318/640, Photoelectric or optical-type measuring instruments297/217.3, With electrical feature604/131Treating material forced into or out of body by self-acting fluid pressure, motor-driven, or mechanical energy storing means (e.g., pressure infusion or aspiration, etc.)ExaminersPrimary: Shoop, William M. Jr.Assistant: Bergmann, Saul M. Attorney, Agent or FirmInternational ClassG05B 001/06Foreign Application Priority Data1987-10-16 GBAbstractA chair for sunbathing has a stationary base (1) carrying a rotatable support (2) for a seating or lying surface (4). A motor (7) is controlled by a control unit (10) in a chamber (8) which also contains sensors (9) responsive to ambient sunlight whereby the motor is caused to rotate until it has aligned the chair with the sun's rays. The motor can also be powered by means responsive to solar energy.Field of SearchPhotoelectric or optical-type measuring instruments | |
