US PATENT SUBCLASS 349 / FOR 116
.~.~.~ Circular (359/65)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

193  DF  LIQUID CRYSTAL OPTICAL ELEMENT {21}
FOR 113  DF  .~ Having particular nonelectrical detail of cell structure enclosing or adjacent liquid crystal material (359/62) {5}
FOR 114  DF  .~.~ Polarizer (359/63) {2}
FOR 116.~.~.~ Circular (359/65)

DEFINITION

Classification: 349/FOR.116

Circular:

Foreign Art Collection wherein the cell structure provides

circular polarization to light entering or exiting the cell.