US PATENT SUBCLASS 424 / 9.71
.~.~ Plaque detection

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

9.1  DF  IN VIVO DIAGNOSIS OR IN VIVO TESTING {7}
9.7  DF  .~ Diagnostic or test agent produces visible change in mouth {1}
9.71.~.~ Plaque detection

DEFINITION

Classification: 424/9.71

Plaque detection:

(under subclass 9.7) Subject matter wherein the agent indicates the presence of plaque.