US PATENT SUBCLASS 137 / 234.5
.~ Removable valve head and seat unit (valve insides)

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}
234.5.~ Removable valve head and seat unit (valve insides)

DEFINITION

Classification: 137/234.5

(under subclass 223) Devices comprising one or more valve heads and their cooperating seats formed in a sleeve or similar structural unit which is removable as such from a tire stem.

SEE OR SEARCH THIS CLASS, SUBCLASS:

283+, and 454.2+, for similar structure removable from other fluid handling devices.