US PATENT SUBCLASS 73 / 195
.~ System

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

861  DF  VOLUME OR RATE OF FLOW {23}
195.~ System {2}
196  DF  .~.~> Flow comparing
197  DF  .~.~> Compound meter

DEFINITION

Classification: 73/195

(under subclass 861) Meter systems employing two or more meters. These systems are usually for measuring and comparing two or more flows or for selectively metering small or large flows in meters of different capacity.

SEE OR SEARCH CLASS

48, Gas: Heating and Illuminating,

180+, for the mixing of plural gases, one a fuel with means to meter each gas.

137, Fluid Handling,

98+, for self-proportioning flow systems.