US PATENT SUBCLASS 285 / 294.3
.~.~ Sprue

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

285.1  DF  MOLDED JOINT {11}
294.1  DF  .~ Sleeve {2}
294.3.~.~ Sprue {1}
294.4  DF  .~.~.~> Having additional holding means

DEFINITION

Classification: 285/294.3

Sprue:

(under subclass 294.1) Subject matter wherein the sleeve has an aperture for pouring the molded material.