US PATENT SUBCLASS 292 / 155
.~.~.~ Screw

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

2  DF  BOLTS {15}
137  DF  .~ Sliding {9}
138  DF  .~.~ Operating means {8}
155.~.~.~ Screw

DEFINITION

Classification: 292/155

(under subclass 138) Devices composed of screws or screw-threaded elements.