US PATENT SUBCLASS 73 / 1.28
.~.~.~ Turbine or geared meter

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

DEFINITION

Classification: 73/1.28

Turbine or geared meter:

(under subclass 1.27) Subject matter wherein either (a) the apparatus for proving or calibrating or (b) the device being proven or calibrated includes either (1) a motor operated by water, steam, or air directed against cups, blades, or vanes on the rim of a wheel or (2) an instrument that measures fluent material passing through it via the use of rotary driven indicating members (i.e., geared meter).

SEE OR SEARCH THIS CLASS, SUBCLASS:

861.79+, for utilizing a turbine to make a volume or rate of flow determination.