US PATENT SUBCLASS 356 / 367
.~.~ Including polarimeters

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

364  DF  BY POLARIZED LIGHT EXAMINATION {4}
366  DF  .~ With polariscopes {1}
367.~.~ Including polarimeters {1}
368  DF  .~.~.~> With electro-optical light rotation

DEFINITION

Classification: 356/367

Including polarimeters:

(under subclass 366) Subject matter including either a null type or directly indicating instrument for determining the amount of polarized light rotation caused by the article or material being examined.