US PATENT SUBCLASS 349 / 171
.~ Within smectic phase
Current as of:
June, 1999
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349 /
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LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS
167
DF
WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL
{6}
171
.~ Within smectic phase {1}
172
DF
.~.~
> Within chiral smectic phase (includes ferroelectric) {2}
DEFINITION
Classification: 349/171
Within smectic phase:
(under subclass 167) Subject matter wherein the characteristic recited is that of a liquid crystal within the smectic mesophase.