US PATENT SUBCLASS 73 / 54.27
.~.~.~.~ With detail (e.g., circuitry) of a drive means or a detecting means

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}
54.24  DF  .~.~.~ By vibration {2}
54.27.~.~.~.~ With detail (e.g., circuitry) of a drive means or a detecting means

DEFINITION

Classification: 73/54.27

With detail (e. g., circuitry) of a drive means or a detecting means:

(under subclass 54.24) Subject matter wherein significance is attributed to a circuitry or other means used to vibrate the member or to the means which measure the vibrational effect of the member.