(under subclass 464.3) Subject matter including an outlet pipe constructed of two or more sections connected to one another in a manner such that one section projects into another to provide a relative movement therebetween.
SEE OR SEARCH CLASS
220, Receptacles,
8, for a telescopic receptacle.
285, Pipe Joints or Couplings,
32, for a threaded telescopic insertable section and subclasses 145.1+ for a joint system comprising serial relatively movable diverse joints, in which one is