US PATENT SUBCLASS 359 / 886
.~ Fluid

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

885  DF  ABSORPTION FILTER {7}
886.~ Fluid

DEFINITION

Classification: 359/886

Fluid:

(under subclass 885) Subject matter wherein the filtering material is in gas, liquid, or vapor form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

665+, for fluid type lenses.

832, for fluid filled prisms.