US PATENT SUBCLASS 164 / 156.1
.~.~.~ Including electrode or float sensor

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}
155.2  DF  .~.~ Responsive to material level {2}
156.1.~.~.~ Including electrode or float sensor

DEFINITION

Classification: 164/156.1

Including electrode or float sensor:

(under subclass 155.2) Apparatus including means for detecting the process parameter comprising either an electrically conductive probe or a buoyant means.

SEE OR SEARCH CLASS

73, Measuring and Testing,

290+, particularly subclasses 305+, for a device for measuring liquid level using a float.