US PATENT SUBCLASS 600 / 477
.~.~.~ With comparison means (e.g., ratio of or comparison to a standard)

Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
407  DF  .~ Detecting nuclear, electromagnetic, or ultrasonic radiation {11}
476  DF  .~.~ Visible light radiation {3}
477.~.~.~ With comparison means (e.g., ratio of or comparison to a standard)

DEFINITION

Classification: 600/477

With comparison means (e.g., ratio of or comparison to a standard):

(under subclass 476) Visible light radiation including a device to examine part of the electromagnetic spectrum.