US PATENT SUBCLASS 340 / 486
.~.~.~.~ Drum

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

425.5  DF  LAND VEHICLE ALARMS OR INDICATORS {11}
480  DF  .~ Electromagnetically actuated mechanical signal {3}
482  DF  .~.~ Normally encased {3}
485  DF  .~.~.~ Window exhibited sign or shutter {1}
486.~.~.~.~ Drum

DEFINITION

Classification: 340/486

Drum:

(under subclass 485) Subject matter wherein the indicator is a cylinder or drum.