US PATENT SUBCLASS 137 / 230
.~ Stem attached relief valve


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

223  DF  INFLATABLE ARTICLE (E.G., TIRE FILLING CHUCK AND/OR STEM) {6}
230.~ Stem attached relief valve


DEFINITION

Classification: 137/230

(under subclass 223) Valved devices which are adapted to be mounted in the end of a conventional pneumatic tire inflation stem to relieve excess pressure.

(1) Note. These valves each include a projection which holds the conventional valve open when it is in place.

(2) Note. Since these valves do not include an inflow passage, they must be removed during inflation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

224+, for tire pressure relief valves integral with tire inflating stems and/or chucks, and intended to remain in place during inflation. See (2) Note.

320+, for tapping connections to valved containers which are under pressure, the connection comprising or carrying means for opening the valve after or during the connecting operation.

494+, and 511+, for relief valves with and without separate reactor surfaces, respectively some of which are disclosed for use with inflatable articles.