Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kevin N. McCraw0
Date of Patent
August 25, 2009
Patent Application Number
11983172
Date Filed
November 7, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A spring cushion assembly for a one-sided mattress includes a plurality of spring coils. Each spring coil has a length of spring wire formed at opposite upper and lower ends in respective upper and lower end turns and in an intervening coil extent therebetween. The spring coils are characterized in that the lower end turns of each coil is closed by a knot formed between the lower wire end and the coil extent. The spring coils are further characterized in that the upper end turn of a first selected number of the spring coils is open with the upper wire end unknotted to the coil extent and the upper end turn of a second selected number of the spring coils is closed by a knot formed between the upper wire end and the coil extent.
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