US PATENT SUBCLASS 285 / 188
SIDE TO PIPE SIDE

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

188SIDE TO PIPE SIDE

DEFINITION

Classification: 285/188

(under the class definition) Subject matter in which the joint is between pipe sides involving transverse openings therein.

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68+, for duplicate end couplings having transverse ports.