US PATENT SUBCLASS 385 / 33
.~.~ Lens

Current as of: June, 1999
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385 /   HD   OPTICAL WAVEGUIDES

15  DF  WITH OPTICAL COUPLER {8}
31  DF  .~ Input/output coupler {5}
33.~.~ Lens {2}
34  DF  .~.~.~> Rod type
35  DF  .~.~.~> Spherical

DEFINITION

Classification: 385/33

Lens:

(under subclass 31) Subject matter wherein the coupling element focuses light by refraction.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

642+, for lens elements, per se, and subclasses 362+ for compound lens systems.