US PATENT SUBCLASS 285 / 135.3
.~.~.~ Having a removable bushing

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

134.1  DF  U-TYPE (E.G., RETURN BEND) {1}
135.1  DF  .~ Detachable {2}
135.2  DF  .~.~ Having yoke-type clamp {1}
135.3.~.~.~ Having a removable bushing

DEFINITION

Classification: 285/135.3

Having a removable bushing:

(under subclass 135.2) Subject matter including a replaceable element which serves to line or constrain the coupling.