US PATENT SUBCLASS 340 / 693.11
.~.~.~ To wall or ceiling

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

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
693.5  DF  .~ Specified housing {3}
693.9  DF  .~.~ Having specified mounting structure {2}
693.11.~.~.~ To wall or ceiling

DEFINITION

Classification: 340/693.11

To wall or ceiling:

(under subclass 693.9) Subject matter wherein the further structure is a wall or ceiling.