Coloured glass lens for eyeglasses and method for making it
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United States of America Patent
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Aug 4, 2020
Grant Date -
Aug 6, 2015
app pub date -
Jul 17, 2013
filing date -
Aug 7, 2012
priority date (Note) -
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Abstract
A colored glass lens for eyeglasses and a method for making such lens, where the lens includes a front glass wafer and a rear glass wafer having a convex surface connected to a concave surface of the front wafer, at least one of either the convex surface of the rear wafer or the concave surface of the front wafer being colored, and a layer of glue interposed between the surfaces for bonding the front and rear wafers to each other.
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