US PATENT SUBCLASS 349 / 169
.~ Utilizing change within liquid crystal phase (e.g., Grandjean to focal conic, etc.)

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

167  DF  WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL {6}
169.~ Utilizing change within liquid crystal phase (e.g., Grandjean to focal conic, etc.)

DEFINITION

Classification: 349/169

Utilizing change within liquid crystal phase (e.g., Grandjean to focal conic, etc.):

(under subclass 167) Subject matter wherein a transformation occurs to the liquid crystal material while the material is in a particular mesophase.

(1) Note. Excluded from here is a transformation in the liquid crystal within a particular mesophase, as a nominal manufacturing step. For such excluded subject matter, see SEARCH THIS CLASS, SUBCLASS below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

188, for transformation in the liquid crystal within a

particular mesophase as a nominal manufacturing step.