US PATENT SUBCLASS 164 / 151
.~ Pressure indicating means

Current as of: June, 1999
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164 /   HD   METAL FOUNDING

150.1  DF  WITH SIGNAL, INDICATOR OR INSPECTION MEANS {4}
151.~ Pressure indicating means

DEFINITION

Classification: 164/151

(under subclass 150) Apparatus wherein the means is an indicator to quantitatively show fluid pressure.

SEE OR SEARCH CLASS

340, Communications: Electrical,

626, for electrical automatic fluid pressure responsive indicating systems.