US PATENT SUBCLASS 248 / 217.4
.~.~.~ Threaded shank

Current as of: June, 1999
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248 /   HD   SUPPORTS

200  DF  BRACKETS {11}
205.1  DF  .~ Specially mounted or attached {22}
216.1  DF  .~.~ Including support piercing or cutting means {6}
217.4.~.~.~ Threaded shank

DEFINITION

Classification: 248/217.4

(under subclass 216.1) Structure wherein the bracket comprises a threaded shank which serves as the cutting or piercing means.