US PATENT SUBCLASS 359 / 610
.~ With blind for nonviewing eye

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

601  DF  GLARE OR UNWANTED LIGHT REDUCTION {6}
610.~ With blind for nonviewing eye

DEFINITION

Classification: 359/610

With blind for nonviewing eye:

(under subclass 601) Subject matter wherein light to the nonviewing eye or the eye not using the instrument is blocked.