US PATENT SUBCLASS 349 / FOR 144
.~.~ In nematic phase (359/106)

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

193  DF  LIQUID CRYSTAL OPTICAL ELEMENT {21}
FOR 141  DF  .~ Cell containing liquid crystal of specified composition (359/103) {3}
FOR 144.~.~ In nematic phase (359/106)

DEFINITION

Classification: 349/FOR.144

In nematic phase:

Foreign Art Collection wherein the molecular long axes of the liquid crystal are substantially parallel throughout the substance with no additional structural constraints.