US PATENT SUBCLASS 73 / 1.27
.~.~ Turbine, geared meter, pulse activated, or counter

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}
1.27.~.~ Turbine, geared meter, pulse activated, or counter {1}
1.28  DF  .~.~.~> Turbine or geared meter

DEFINITION

Classification: 73/1.27

Turbine, geared meter, pulse activated or counter:

(under subclass 1.16) Subject matter wherein either (a) the apparatus for proving or calibrating the device or (b) the

device being proven or calibrated comprises either (1) a motor operated by water, steam, or air directed against cups, blades, or vanes on the rim of a wheel (i.e., turbine), (2) an instrument that measures fluent material passing through it via the use of rotary driven indicating members (i.e., geared meter), (3) a means having a property which changes in response to regularly occurring stimuli (i.e., pulse activated), or (4) a meter for totaling a parameter related to flow (i.e., counter).