US PATENT SUBCLASS 200 / 61.2
.~ Container contents level responsive

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

52 R  DF  SPECIAL APPLICATION {25}
61.2.~ Container contents level responsive {1}
61.21  DF  .~.~> Fluent solid bin or hopper

DEFINITION

Classification: 200/61.2

(under subclass 52) Circuit makers and breakers which are actuated by an element which responds, in circuit making or breaking manner, to the height or volume within a receptacle of the surface of material contained thereby.

SEE OR SEARCH CLASS

340, Communications: Electrical,

612+, for electrical automatic fluent material level responsive indicating systems.