US PATENT SUBCLASS 349 / 200
.~ Liquid crystal lenses other than for eyewear

Current as of: June, 1999
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349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

193  DF  LIQUID CRYSTAL OPTICAL ELEMENT {21}
200.~ Liquid crystal lenses other than for eyewear

DEFINITION

Classification: 349/200

Liquid crystal lenses other than for eyewear:

(under subclass 193) Subject matter wherein the variable refraction of the liquid crystal is used to produce at a focal point an image of an object external to the liquid crystal for purposes other than eyewear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13, for liquid crystal lenses as part of eyewear.