US PATENT SUBCLASS 349 / FOR 141
.~ Cell containing liquid crystal of specified composition (359/103)

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.~ Cell containing liquid crystal of specified composition (359/103) {3}
FOR 142  DF  .~.~> In smectic phase (359/104)
FOR 143  DF  .~.~> In cholesteric phase (359/105)
FOR 144  DF  .~.~> In nematic phase (359/106)

DEFINITION

Classification: 349/FOR.141

Cell containing liquid crystal of specified composition:

Foreign Art Collection wherein a liquid crystal material of particular chemical structure is incorporated in a cell of more than nominal structure.