US PATENT SUBCLASS 73 / 54.36
.~.~.~ Penetrometer

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}
54.01  DF  .~ Viscosity {11}
54.23  DF  .~.~ Force reactance to member driven therein {5}
54.36.~.~.~ Penetrometer

DEFINITION

Classification: 73/54.36

Penetrometer:

(under subclass 54.23) Subject matter wherein the determination is made by measuring the depth of or the rate of penetration of a member driven into the liquid with a predetermined force or by measuring a characteristic of the predetermined force on a member driven therein.