US PATENT SUBCLASS 285 / 222.4
.~ Metal and elastomeric layers

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

222.1  DF  FOR PLURAL COMPONENT LINE (E.G., FLEXIBLE TYPE) {4}
222.4.~ Metal and elastomeric layers

DEFINITION

Classification: 285/222.4

Metal and elastomeric layers:

(under subclass 222.1) Subject matter comprising a dual-layered cover including a metallic layer and a rubber-like layer.