US PATENT SUBCLASS 137 / 299
.~ With valve at outlet


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

272  DF  HYDRANT TYPE {15}
299.~ With valve at outlet


DEFINITION

Classification: 137/299

(under subclass 272) Apparatus which includes one or more valves at outlets from the riser, either in the riser or in a discharge spout, and provided in addition to the main or foot valve of the riser.

SEE OR SEARCH THIS CLASS, SUBCLASS:

613+, for systems involving a single flow path with plural serial valves, and see the search notes to subclass 613.

861+, for systems involving flow control means for plural passages, and see the search notes to subclass 861.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation, 147, for pipe terminal mountings for valves.