US PATENT SUBCLASS 70 / 386
.~.~ With ball or roller

Current as of: June, 1999
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70 /   HD   LOCKS

266  DF  OPERATING MECHANISM {6}
336  DF  .~ Key {10}
386.~.~ With ball or roller

DEFINITION

Classification: 70/386

(under subclass 336) Subject matter wherein a ball or roller is employed as an impeding element, or as an ancillary impeding element.