US PATENT SUBCLASS 356 / 145
.~.~.~ Lines of sight relatively adjustable with two degrees of freedom

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

138  DF  ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT {11}
140  DF  .~ Apex of angle at observing or detecting station {6}
144  DF  .~.~ With plural images {2}
145.~.~.~ Lines of sight relatively adjustable with two degrees of freedom

DEFINITION

Classification: 356/145

(under subclass 144) Subject matter where plural lines of sight are adjustable relative to each other with two degrees of freedom.