US PATENT SUBCLASS 367 / 112
.~.~.~ Alarm

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

87  DF  ECHO SYSTEMS {6}
99  DF  .~ Distance or direction finding {5}
107  DF  .~.~ With indicator {9}
112.~.~.~ Alarm

DEFINITION

Classification: 367/112

Alarm:

(under subclass 107) Subject matter which includes an alerting device (e.g., minimum depth alarm).