US PATENT SUBCLASS 137 / 107
.~.~ Waste responsive to flow stoppage

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

87.01  DF  SELF-PROPORTIONING OR CORRELATING SYSTEMS {8}
102  DF  .~ Supply and exhaust type {3}
107.~.~ Waste responsive to flow stoppage

DEFINITION

Classification: 137/107

(under subclass 102) Systems wherein a waste or drain is opened in response to the stopping of the fluid flow from the supply to the outlet or receiver.

SEE OR SEARCH THIS CLASS, SUBCLASS:

61, for stop and waste systems which are responsive to means sensing freeze conditions.

596+, for stop and waste systems not responsive to any change in a condition, and see the search notes thereto.