US PATENT SUBCLASS 141 / 228
.~.~.~ Series flow line valves

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  DF  .~.~ External initiator as second diverse control {1}
228.~.~.~ Series flow line valves {1}
229  DF  .~.~.~.~> Float control cut-off

DEFINITION

Classification: 141/228

(under subclass 227) Filling apparatus which includes at least two fluid flow line cut-off means serially arranged.

SEE OR SEARCH THIS CLASS, SUBCLASS:

210, for similar arrangements including a manually operated valve for initiating flow, and see the search notes thereto.