US PATENT SUBCLASS 285 / 237
.~.~ With spigot and socket ends

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

223  DF  FLEXIBLE JOINT, RIGID MEMBERS {6}
235  DF  .~ Resilient sleeve type {2}
237.~.~ With spigot and socket ends

DEFINITION

Classification: 285/237

(under subclass 235) Devices in which the sleeve member has a spigot at one end for insertion into a conduit end and a bell or socket at its other end to receive a conduit end.

SEE OR SEARCH THIS CLASS, SUBCLASS:

148.1+, for serial diverse joints in a single line. See the Search Notes thereunder.