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Structurally efficient inflatable protective device

  • US 5,607,182 A
  • Filed: 02/21/1996
  • Issued: 03/04/1997
  • Est. Priority Date: 06/28/1993
  • Status: Expired due to Term
First Claim
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1. An inflatable protective cushion comprising an uncoated sheet of material made from yarn of less than about 300 denier, said sheet being defined by four or fewer fold lines and a plurality of flap portions, each flap portion having a base edge corresponding to a fold line and at least two side edges each extending outwardly from the base edge, the flap portions being folded at the fold lines and being joined at corresponding side edges to define an inflatable chamber.

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