US PATENT SUBCLASS 73 / 1.33
.~.~ With floating element or weighing

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

1.01  DF  INSTRUMENT PROVING OR CALIBRATING {13}
1.16  DF  .~ Volume of flow, speed of flow, volume rate of flow, or mass rate of flow {12}
1.33.~.~ With floating element or weighing

DEFINITION

Classification: 73/1.33

With floating element or weighing:

(under subclass 1.16) Subject matter wherein (a) the apparatus for proving or calibrating the device or (b) the device being proven or calibrated includes either (1) an element which lies in a liquid without sinking or which is suspended in a gas or (2) an element for measuring the heaviness of the fluent material.