US PATENT SUBCLASS 356 / 126
.~.~ Deflecting or interrupting optical path

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

124  DF  LENS OR REFLECTIVE IMAGE FORMER TESTING {3}
125  DF  .~ Focal length measuring {1}
126.~.~ Deflecting or interrupting optical path

DEFINITION

Classification: 356/126

(under subclass 125) Subject matter including means for deflecting or interrupting the optical path between a target and the observer or detector.