US PATENT SUBCLASS 116 / 7
.~.~ Light producing

Current as of: June, 1999
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116 /   HD   SIGNALS AND INDICATORS

2  DF  COMBINED FUNCTIONS {3}
6  DF  .~ Burglar alarms {4}
7.~.~ Light producing

DEFINITION

Classification: 116/7

(under subclass 6) Devices which sound an alarm by a bell or cartridge explosion and also ignite a lamp or match.

SEE OR SEARCH CLASS

431, Combustion,

13+, for a burner having a means indicating a condition of the burner or providing for inspection of the burner.