US PATENT SUBCLASS 359 / 619
.~ By surface composed of lenticular elements

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.~ By surface composed of lenticular elements {6}
620  DF  .~.~> Having particular composition
621  DF  .~.~> Plural lenticular plates {1}
625  DF  .~.~> Focusing or defocusing by noncurved surfaces (e.g., prismatic, etc.)
626  DF  .~.~> Particular focusing or defocusing characteristic
627  DF  .~.~> Reflective
628  DF  .~.~> Noncircular cross section

DEFINITION

Classification: 359/619

By surface composed of lenticular elements:

(under subclass 618) Subject matter comprising a body with a surface configured so as to form a regular array of reflecting or transmitting elements, each having a curved or figured surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

455+, for lenticular projection screens.

463, for stereoscopic record with lenticular surface.

642+, for lenses generally.

727+, for lenses having concave or convex reflecting surfaces with coatings.

SEE OR SEARCH CLASS

399, Electrophotography, 30+, and 177+ for an optical element in a photocopier projection arrangement.