Swivel shutter assembly
Patent 4709506 Issued on December 1, 1987. Estimated Expiration Date: 
October 16, 2006. 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 16, 2006. 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 ReferencesInventorApplicationNo. 06/919631 filed on 10/16/1986US Classes:49/87.1, Operating system includes a handle454/318, Louver vanes form valve49/403, Louver end caps; e.g., mounting clips49/90.1, With position holder for operating system49/91.1, With weather seal feature49/92.1Specific louver structureExaminersPrimary: Kannan, Philip C.Attorney, Agent or FirmInternational ClassesE06B 9/26 (20060101)E06B 9/36 (20060101) E06B 7/086 (20060101) E06B 7/02 (20060101) AbstractA swivel shutter assembly providing a plurality of louvers rotationally held within a framework which presents, by ship-lap type of construction between adjacent louvers, a flat wall type appearance when the louvers are fully closed. In addition, the swivel shutter assembly is constructed to provide adjustable degree of shutter opening at a plurality of differently selected positions, and to provide a swivel mechanism which allows removal and replacement of individual louvers in an easy yet expedient manner.Field of SearchClosures on opposite or angularly related barriers | |
