US PATENT SUBCLASS 368 / 30
.~.~ Liquid crystal display (i.e., LCD)

Current as of: June, 1999
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368 /   HD   HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES

28  DF  WITH CALENDAR INDICATOR {7}
29  DF  .~ Electro-optical {1}
30.~.~ Liquid crystal display (i.e., LCD)

DEFINITION

Classification: 368/30

Liquid crystal display (i.e., LCD):

(under subclass 29) Subject matter wherein the electro-optical display is a liquid crystal device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

84, for chronological timepiece with liquid crystal display.

242, for timepiece liquid crystal display, per se.

SEE OR SEARCH CLASS

40, Card, Picture, or Sign Exhibiting,

448, for liquid crystal changing exhibitors.

252, Compositions, 299.01+, for liquid crystal compositions, per se.

345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,

38, 50+, and 87+ for liquid crystal display devices with selective electrical control.

349, Liquid Crystal Cells, Elements and Systems, appropriate subclasses and especially

142, for optical systems and elements utilizing liquid crystal materials.