US PATENT SUBCLASS 250 / 907
.~.~.~ With portions of light guide coating or cladding removed

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

900  DF  OPTICAL LIQUID LEVEL SENSORS {2}
904  DF  .~ With single light guide element to guide light in a continuous path {1}
905  DF  .~.~ With longitudinal irregularity {3}
907.~.~.~ With portions of light guide coating or cladding removed

DEFINITION

Classification: 250/907

With portions of light guide coating or cladding removed:

(under subclass 905) Art collection of liquid level sensors relating to those found in ... in which the longitudinal irregularity comprises an irregular longitudinal surface caused by removal (e.g., roughening) of portions of the light conductor coating or cladding.