US PATENT SUBCLASS 138 / 95
.~ Return bend type

Current as of: June, 1999
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138 /   HD   PIPES AND TUBULAR CONDUITS

89  DF  WITH CLOSURES AND PLUGS {7}
95.~ Return bend type

DEFINITION

Classification: 138/95

(under subclass 89) Closures and plugs, specially designed to be used with a return bend fitting.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

360, for return bend fittings, for boilers combined with the connection to the tubes and the closures.

285, Pipe Joints or Couplings,

135.1+, for return bend fittings.