US PATENT SUBCLASS 292 / 176
.~.~.~.~ Screw

Current as of: June, 1999
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292 /   HD   CLOSURE FASTENERS

2  DF  BOLTS {15}
137  DF  .~ Sliding {9}
163  DF  .~.~ Spring projected {1}
164  DF  .~.~.~ Operating means {12}
176.~.~.~.~ Screw

DEFINITION

Classification: 292/176

(under subclass 164) Devices composed of screws or screw-threaded elements.