Multi-piece lens having bonded lens portions

  • US 6,460,995 B1
  • Filed: 01/25/2002
  • Issued: 10/08/2002
  • Est. Priority Date: 02/29/2000
  • Status: Active Grant
First Claim
Patent Images

1. A multi-piece lens for an eye mask comprising:

  • a) a tempered glass planar front lens having at least one first side edge;

    b) at least one tempered glass planar side lens, having at least one second side edge; and

    , c) a bonding material between the first and second side edges to attach the at least one tempered glass planar side lens to the at least one side edge of the tempered glass planar front lens such that the at least one tempered glass planar side lens forms an obtuse angle of less than 180°

    with the tempered glass planar front lens.

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