US PATENT SUBCLASS 292 / 293
.~.~ Screw-operating means

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

289  DF  PORTABLE SECURER PLATE OR BAR {4}
292  DF  .~ Sliding holding member {4}
293.~.~ Screw-operating means

DEFINITION

Classification: 292/293

(under subclass 292) Devices having screw- threaded operating means for holding members.