US PATENT SUBCLASS 137 / 328
.~.~ Wrench engaging lugs

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

315  DF  WITH REPAIR, TAPPING OR ASSEMBLY MEANS {6}
327  DF  .~ With disassembly tool engaging feature {1}
328.~.~ Wrench engaging lugs

DEFINITION

Classification: 137/328

(under subclass 327) Devices in which the interlocking means are projections or ears for engaging the jaws of a wrench.