Photoluminescent floor tile

  • US 6,875,989 B2
  • Filed: 05/16/2002
  • Issued: 04/05/2005
  • Est. Priority Date: 05/16/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A rigid tile comprising:

  • a tile base having a top surface and a bottom surface;

    a thermoplastic resinous binder material within said tile base;

    an non-transparent inorganic material within said tile base and forming a substantial portion of said tile base, the ratio of the weight of said inorganic material to said resinous binder being about 4.5; and

    a photoluminescent material within said tile base having some the photoluminescent material exposed at said top surface of said tile base such that said tile base illuminates after ambient light has been removed, said photoluminescent material comprising about 20% of the total tile weight.

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