Portable wall system
Patent 4103463 Issued on August 1, 1978. Estimated Expiration Date: 
September 28, 1996. 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.
September 28, 1996. 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 1716625 2443548 2945568 3386216 3453790 3566559 InventorAssigneeApplicationNo. 05/727605 filed on 09/28/1976US Classes:52/126.4, Threaded element engages support surface52/143, WITH TRANSPORTING FEATURE52/241Elongated terminal memberExaminersPrimary: Murtagh, John E.Attorney, Agent or FirmInternational ClassesE04B 2/82 (20060101)E05D 15/06 (20060101) AbstractA portable wall system utilizing portable wall panels defining a wall or partition extending between a floor surface or other lower surface and a ceiling surface or other overhead surface. The portable wall panels each include lower support means for movably supporting the panels on a floor surface to facilitate movement of the panels to a desired location. The upper edge of each panel is provided with a spring biased ceiling or overhead surface engaging member and the lower edge of each panel includes a vertically extendible and retractable floor surface engaging member so that the wall panels will form a complete partition between the floor surface and ceiling surface and be easily installed, removed or released and relocated. The side edges of the wall panels are constructed for inter-engagement with similar panel modules or wall mounted receptors. | |
