US PATENT SUBCLASS 116 / 79
.~.~.~ Knob attached

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

67 R  DF  ALARMS {15}
75  DF  .~ Burglar {5}
77  DF  .~.~ Portable {7}
79.~.~.~ Knob attached

DEFINITION

Classification: 116/79

(under subclass 77) Devices in which clamps or their equivalents are provided for attaching the device to the knobs or knob-spindles of doors or windows, the turning of the knob actuating the alarm.