US PATENT SUBCLASS 109 / 31
.~.~ With alarm, signal or indicator

Current as of: June, 1999
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109 /   HD   SAFES, BANK PROTECTION, OR A RELATED DEVICE

23  DF  COMBINED {8}
29  DF  .~ With fluent material releasing, generating and/or distributing means {4}
31.~.~ With alarm, signal or indicator

DEFINITION

Classification: 109/31

(under subclass 29) Devices combined with an alarm, signal or indicator. This subclass includes devices relating to jails, where the purposes of this subclass are also present.

SEE OR SEARCH CLASS

340, Communications: Electrical,

500, for electrical automatic condition responsive indicating systems.