US PATENT SUBCLASS 141 / 227
.~.~ External initiator as second diverse control

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

192  DF  AUTOMATIC CONTROL OF FLOW CUTOFF OR DIVERSION {4}
198  DF  .~ Level or overflow responsive {3}
227.~.~ External initiator as second diverse control {1}
228  DF  .~.~.~> Series flow line valves {1}

DEFINITION

Classification: 141/227

(under subclass 198) Filling apparatus having a cut-off means in addition to the level or overflow responsive means which is rendered ineffective through linkage or the like operated by means exterior of the filling means.

(1) Note. The exterior means may comprise the receiver, the cut-off being rendered inoperative through some linkage means which react to the presence of or because of the reactive force exerted by the receiver.

SEE OR SEARCH CLASS

137, Fluid Handling,

389+, for nonseparable fluid handling systems having level responsive valves with a second diverse control; subclass 410 for liquid level responsive or maintaining systems including float control valves which valves may be opened by external means.