US PATENT SUBCLASS 285 / 233
.~.~ Beaded conduit

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

223  DF  FLEXIBLE JOINT, RIGID MEMBERS {6}
231  DF  .~ Socketed packing type {3}
233.~.~ Beaded conduit

DEFINITION

Classification: 285/233

(under subclass 231) Devices in which the inner tube member (spigot) has an annular ridge formed on its outer surface adapted for retaining it in the socket.