US PATENT SUBCLASS 164 / 155.3
.~.~ Responsive to pressure

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

154.1  DF  CONTROL MEANS RESPONSIVE TO OR ACTUATED BY MEANS SENSING OR MEASURING A CONDITION OR VARIABLE (I.E., AUTOMATIC CONTROL) {6}
155.1  DF  .~ Control of feed material enroute to shaping area {5}
155.3.~.~ Responsive to pressure

DEFINITION

Classification: 164/155.3

Responsive to pressure:

(under subclass 155.1) Apparatus wherein the parameter monitored is force per unit area applied to the melt, the product, or any component of the apparatus.

SEE OR SEARCH CLASS

73, Measuring and Testing,

700+, for a fluid pressure gauge.