US PATENT SUBCLASS 164 / 450.2
.~.~.~.~ Including radioactive 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}
449.1  DF  .~.~.~ In continuous casting apparatus {5}
450.2.~.~.~.~ Including radioactive sensor

DEFINITION

Classification: 164/450.2

Including radioactive sensor:

(under subclass 449.1) Apparatus including means for detecting the level of molten metal in the supply, mold, or a component of the apparatus comprising means responsive to alpha, beta, or gamma particle emission.

SEE OR SEARCH CLASS

250, Radiant Energy,

308, for apparatus to inspect solids or liquids including a radioactive source and subclasses 336.1+ for invisible radiant energy responsive electric signaling devices, per se.

252, Compositions,

625+, for radioactive compositions, per se.

976, Nuclear Technology, digests 410+ for devices to convert radioactive energy into electrical energy.