US PATENT SUBCLASS 141 / 198
.~ Level or overflow responsive

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.~ Level or overflow responsive {3}
199  DF  .~.~> Funnel type closed by float {5}
206  DF  .~.~> Manually initiated valve with both manual and level cut-off controls {5}
227  DF  .~.~> External initiator as second diverse control {1}

DEFINITION

Classification: 141/198

(under subclass 192) Apparatus in which the element of control is responsive to the presence of contents material in the receiver being filled.

SEE OR SEARCH CLASS

137, Fluid Handling,

386+, for liquid level responsive or maintaining systems.