US PATENT SUBCLASS 116 / 220
.~.~ And fluid pressure indicator

Current as of: June, 1999
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116 /   HD   SIGNALS AND INDICATORS

200  DF  INDICATORS {32}
216  DF  .~ Temperature responsive or compensating means {3}
220.~.~ And fluid pressure indicator

DEFINITION

Classification: 116/220

And fluid pressure indicator:

(under subclass 216) Devices including means responsive to the force of a liquid, gas, or vapor to give an indication.

SEE OR SEARCH THIS CLASS, SUBCLASS:

266+, for pressure indicators.