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Cushioning devices

  • US 5,533,218 A
  • Filed: 12/23/1994
  • Issued: 07/09/1996
  • Est. Priority Date: 07/15/1994
  • Status: Expired due to Fees
First Claim
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1. A cushioning device made of a resilient foamed plastic material, the cushioning device having a lower thickness and an upper thickness, the upper thickness being covered by a continuous, soft, thin, flexible layer, and there being parallel slots in the upper thickness, whereby the upper thickness is divided into ribs, and in which said layer is made of a material that is different from that of said ribs, is cemented to said ribs;

  • and is resilient in its own plane.

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