US PATENT SUBCLASS 285 / 274
.~ With yoke

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

272  DF  SWIVEL {5}
274.~ With yoke

DEFINITION

Classification: 285/274

(under subclass 272) Devices wherein an extending arm on one pipe section holds the other section in swivelling relationship.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127.1+, for swivel joints in which arms of a yoke constitute branch flow paths.