US PATENT SUBCLASS 292 / 55
.~.~.~.~ Screw

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

2  DF  BOLTS {15}
3  DF  .~ Multiple {16}
44  DF  .~.~ Swinging {1}
45  DF  .~.~.~ Operating means {10}
55.~.~.~.~ Screw

DEFINITION

Classification: 292/55

(under subclass 45) Devices including screws or screw-threaded elements.