Windshield defroster
Patent 4637298 Issued on January 20, 1987. Estimated Expiration Date: 
April 18, 2005. 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.
April 18, 2005. 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 3472146 3608469 Multi-purpose dashboard attachment Instrument panel device for cars Patent #: 4223754 InventorsAssigneeApplicationNo. 06/724545 filed on 04/18/1985US Classes:454/127Having dashboard air distributor (e.g., for windshield, etc.)ExaminersPrimary: Schwartz, Larry I.Attorney, Agent or FirmInternational ClassesB60H 1/34 (20060101)B60S 1/02 (20060101) B60S 1/54 (20060101) Foreign Application Priority Data1984-05-03 JPAbstractA windshield defroster assembly for a vehicle dashboard including a defroster outlet having a plate attached therein to control the direction of flow of the heated air. The plate is slanted to direct the flow of the heated air. The bottom edge of the plate remains underneath the bottom surface of the dashboard. Heated air hits the rear surface of the plate, and the blowing direction of the heated air follows along the rear surface of the plate. When the heated air is discharged from the defroster outlet, the heated air is concentrated on an area of the windshield thereby removing frost and moisture from the entire surface of the windshield. A top edge of the plate is disposed at most only slightly over a top surface of the dashboard, so that the plate does not prevent the driver from seeing outside of the vehicle through the windshield.Other References
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