Portable vehicle articulated windshield defroster with heated air-flow and timer
Patent 5787228 Issued on July 28, 1998. Estimated Expiration Date: 
February 28, 2016. 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.
February 28, 2016. 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 D325250 2064498 2165615 3221138 3331940 Windshield heating device Electric heating system for heating the interior of a motor vehicle prior to starting Electric heater-blower apparatus for removing frost and snow from vehicle windows Windshield defroster Portable cordless electric hair dressing appliance utilizing stored heat InventorsApplicationNo. 607426 filed on 02/28/1996US Classes:392/383, Portable219/203, Windshield or window392/365PortableExaminersPrimary: Hoang, Tu BaForeign Patent References
International ClassA45D 020/10AbstractA window defroster for a motor vehicle consists of a plenum with a resistive electrical heater and a blower that draws in cool air and directs it over the heater coils and on to the window to be defrosted. The plenum is plugged into a stand on a timer removably mounted on the dashboard of a vehicle. The time of start and duration are programmed into the timer which is connected to the vehicle battery. The device is designed to start ten minutes before the vehicle is to be driven and stop when the driver enters the vehicle to drive away with a clear windshield. | |
