Waterbed rail and method of making same
Patent 4554039 Issued on November 19, 1985. Estimated Expiration Date: 
April 2, 2004. 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 2, 2004. 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 1589517 2774410 3513050 InventorAssigneeApplicationNo. 06/595997 filed on 04/02/1984US Classes:156/213, Encasing or enveloping the configured lamina156/216, Overedge bending of lamina about edges of sheetlike base428/122, Channel-shaped edge component (e.g., binding, etc.)5/633, For back portions of a user sitting or reclining on bed5/663, Adapted to cover or protect a rail or frame portion of a bed52/717.05PolymericExaminersPrimary: Thomas, Alexander S.International ClassA47C 27/08 (20060101)AbstractA padded rail for a waterbed and the method of making it. The rail comprises a channel-shaped core portion adapted to fit over the side of the holder of the waterbed. The core is formed of extruded plastic and is covered with a foam padding and a fabric covering wrapped over the foam and into the channel shape. In its manufacture, the channel is either wrapped into a flat piece of foamed material or inserted into a groove in the foam material and the fabric is wrapped around and cemented into the inner part of the channel in the core. | |
