One-sided mattress construction

  • US 6,243,900 B1
  • Filed: 01/13/2000
  • Issued: 06/12/2001
  • Est. Priority Date: 01/13/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A one-sided inner spring mattress assembly comprising:

  • a central core of individual fabric pocketed coil springs arranged in a Marshall coil type assembly;

    an upper assembly padding layer extending over a top surface of said core;

    a lower relatively rigid layer underlying said core;

    wherein said lower layer is resistant to compression by the central core of pocketed springs and comprises a. high density polyurethane foam having a weight of about 1.85 lbs per cubic foot and a firmness in the range of about 45 ILD to about 60 ILD.

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