US PATENT SUBCLASS 359 / 628
.~.~ Noncircular cross section

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

618  DF  SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) {3}
619  DF  .~ By surface composed of lenticular elements {6}
628.~.~ Noncircular cross section

DEFINITION

Classification: 359/628

Noncircular cross section:

(under subclass 619) Subject matter wherein the lenticular elements have a cross section in the plane of the surface which is not a circle.