US PATENT SUBCLASS 359 / 19
.~.~ Lens

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

1  DF  HOLOGRAPHIC SYSTEM OR ELEMENT {16}
15  DF  .~ Using a hologram as an optical element {3}
19.~.~ Lens {1}
20  DF  .~.~.~> Multiple point hologram (e.g., fly-eye lens, etc.)

DEFINITION

Classification: 359/19

Lens:

(under subclass 15) Subject matter in which the holos:graphic equivalent is an optical device which focuses light.

(1) Note. Holograms which are used to form a single image of an extended two- or three-dimensional object are included here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

362+, for compound lens systems.

642+, for lenses.