US PATENT SUBCLASS 340 / 384.71
.~.~ Timing

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

384.1  DF  AUDIBLE INDICATION {11}
384.7  DF  .~ Electronic {3}
384.71.~.~ Timing

DEFINITION

Classification: 340/384.71

Timing:

(under subclass 384.7) Subject matter comprising a clock or timing means for producing the audible sounds at a repetitive rate or for controlling the start or the duration or the effect of the produced sounds.