US PATENT SUBCLASS 116 / 98
.~.~ Tread operated

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

67 R  DF  ALARMS {15}
75  DF  .~ Burglar {5}
98.~.~ Tread operated

DEFINITION

Classification: 116/98

(under subclass 75) Alarms, bell or detonating type, some of gun type, which are intended to kill, operated by a person treading on a mat, platform, step, or floor.