US PATENT SUBCLASS 73 / 53.07
.~.~ By solid content

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

53.01  DF  LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID {15}
53.05  DF  .~ Lubricant testing {2}
53.07.~.~ By solid content

DEFINITION

Classification: 73/53.07

By solid content:

(under subclass 53.05) Subject matter wherein the determination is made by measuring an amount of particulate matter in the liquid.