US PATENT SUBCLASS 166 / 331
.~.~ Lug in branched slot, e.g., "J" slot

Current as of: June, 1999
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166 /   HD   WELLS

316  DF  VALVES, CLOSURES OR CHANGEABLE RESTRICTORS {5}
330  DF  .~ Rotated operator {1}
331.~.~ Lug in branched slot, e.g., "J" slot

DEFINITION

Classification: 166/331

(under subclass 330) Devices comprising a lug on one part and a branched slot on the other part, and rotation of the operator moves the lug to a position whereby the valve is or can be operated.