US PATENT SUBCLASS 285 / 296.1
.~ Sprue

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

285.1  DF  MOLDED JOINT {11}
296.1.~ Sprue

DEFINITION

Classification: 285/296.1

Sprue:

(under subclass 285.1) Subject matter including an aperture or sprue for pouring the molding material into the joint.