US PATENT SUBCLASS 73 / 54.23
.~.~ Force reactance to member driven therein

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.~.~ Force reactance to member driven therein {5}
54.24  DF  .~.~.~> By vibration {2}
54.28  DF  .~.~.~> Rotationally driven member {4}
54.36  DF  .~.~.~> Penetrometer
54.37  DF  .~.~.~> By movement or displacement between shearing surfaces
54.38  DF  .~.~.~> Detector detail

DEFINITION

Classification: 73/54.23

Force reactance to member driven therein:

(under subclass 54.01) Subject matter wherein the determination is made by measuring the force reaction of the liquid to a member (e.g., a disc, an impeller, a resonator, etc.) driven therein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54.31+, for measuring the driving force of a rotationally driven member in order to determine viscosity.

64.49, for determining the surface tension by measuring force.

862.08, for torque measuring, per se.

862.38+, for force measuring, per se.