Adjustable shutters and slats therefor
Patent 5303507 Issued on April 19, 1994. Estimated Expiration Date: 
April 21, 2013. 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 21, 2013. 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 279111 2230707 2549314 2761185 2822587 3031013 3031045 3110936 3527486 Air grille components and air grille therefrom InventorAssigneeApplicationNo. 049336 filed on 04/21/1993US Classes:49/74.1, Louver-type closures (e.g., slats or panels)49/92.1, Specific louver structure49/403, Louver end caps; e.g., mounting clips160/236Strip or slat structureExaminersPrimary: Cuomo, Peter M.Assistant: Redman, Jerry Attorney, Agent or FirmForeign Patent References
International ClassE05F 017/00AbstractA slat for a shutter is in the form of a hollow, flat tube. The slat is connected to a tubular adjusting rod by a swivel connector which comprises a pair of hook elements and a serrated body portion from which each of the hook elements is supported. The slats and the adjusting rod are each provided with openings into which the body portion of the swivel connector is inserted. Splines locating within the slat and the adjusting rod engage the serrations and lock the swivel connector in position. The shutters may also incorporate an anti-sag support for retention when in their closed position.Field of SearchLouver-type closures (e.g., slats or panels)Specific louver structure Louver end caps; e.g., mounting clips SWINGING CLOSURES CLOSING SINGLE OPENING Operating system includes a handle Of interconnected movable louvers Including louvers Having louvers Having moveable vanes MEMBER ENDS JOINED BY INSERTED SECTION Fluted or splined section Strip or slat structure | |
