US PATENT SUBCLASS 73 / 1.73
.~ Liquid level or volume measuring apparatus

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

1.01  DF  INSTRUMENT PROVING OR CALIBRATING {13}
1.73.~ Liquid level or volume measuring apparatus {1}
1.74  DF  .~.~> Volumetric dispenser (e.g., pipette)

DEFINITION

Classification: 73/1.73

Liquid level or volume measuring apparatus:

(under subclass 1.01) Subject matter wherein either (a) the apparatus for proving or calibrating the device or (b) the device being proven or calibrated measures either (1) a height of liquid contained in a body or (2) an amount of material contained in a body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

149, for volume measuring, per se.

290+, for liquid level measuring or testing, per se.