US PATENT SUBCLASS 73 / 61.47
.~.~.~ By pressure measurement

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}
61.41  DF  .~ Content or effect of a constituent of a liquid mixture {8}
61.43  DF  .~.~ Liquid constituent of a liquid mixture {9}
61.47.~.~.~ By pressure measurement

DEFINITION

Classification: 73/61.47

By pressure measurement:

(under subclass 61.43) Subject matter wherein the determination is made by measuring the force per unit area of the liquid or the liquid mixture.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54.14, for determining viscosity of a liquid flowing through an orifice, nozzle, or extrusion means by measuring pressure.

61.73, for measuring pressure in order to determine the solid content of a liquid mixture.

61.78, for measuring pressure to determine the content or effect of a constituent of a liquid mixture.

64.46, for measuring differential pressure to determine vapor pressure.

64.51, for measuring pressure to determine surface tension.

700+, for liquid pressure measurement, per se.