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Vehicular, side, rear view prismatic mirror system

  • US 5,245,479 A
  • Filed: 03/05/1992
  • Issued: 09/14/1993
  • Est. Priority Date: 03/18/1988
  • Status: Expired due to Term
First Claim
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1. An accessory kit for a vehicular side, rear view mirror for expanding the viewer'"'"'s field of vision produced by he vehicle'"'"'s side rear view mirror, comprising:

  • a transparent, refracting prism of a size in its lateral extent substantially less than one half of the reflective front surface of the rear view mirror, the location and size of said prism being designed to expand the viewer'"'"'s field of vision produced by the side rear view mirror, said prism further incorporating reflecting means in the form of a reflective surface coating on its base surface, said prism configured to modify the mirror'"'"'s field of view by refracting the reflected light going through it in such a manner that the pencil rays will be deviated from the parallel to an outward angle proportionate to the prism'"'"'s power, enlarging the user'"'"'s field of view, said prism having a refractive index of about 1.5 and an apical angle of ten to twelve degrees; and

    adhesive means associated with said prism for adhesively mounting said prism to the reflective front surface of the side rear view mirror.

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