US PATENT SUBCLASS 141 / 120
.~.~ Siphonic return to supply

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

115  DF  DRIP PREVENTION BY FLOW REVERSING AND/OR OVERFILL REMOVAL {3}
116  DF  .~ By means reversing direction of flow {4}
120.~.~ Siphonic return to supply

DEFINITION

Classification: 141/120

(under subclass 116) Apparatus in which the filling means is provided with a flow line which is operative as a siphon after filling to return contents material from the receiver or from the shorter leg of such siphon to the supply source.

SEE OR SEARCH THIS CLASS, SUBCLASS:

230, for apparatus which halts flow of contents material in a siphon filling arrangement.

323, for siphon type filling apparatus.