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Mattress

  • US 7,520,012 B2
  • Filed: 03/08/2006
  • Issued: 04/21/2009
  • Est. Priority Date: 03/08/2005
  • Status: Active Grant
First Claim
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1. A mattress comprising:

  • a top layer of visco elastic foam comprising a substantially planar top surface, a thickness of approximately 3.5 inches, and a density of approximately 5 lbs/ft3;

    a bottom layer of urethane foam comprising a thickness of approximately 4.5 inches and a density of approximately 1.65 lbs/ft3; and

    a polyester fiber intermediate layer positioned between the top layer of visco elastic foam and the bottom layer of urethane foam.

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