(under the class definition) Devices having a signal, a sign and/or an indicator.
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting, appropriate subclasses for devices of the flexible or portable panel type specialized to display information by printing or other characters, or combined with other card, picture or sign
exhibiting features.
109, Safes, Bank Protection, or a Related Device,
38+, particularly 41-43 for flexible or portable panels in combination with alarm circuits and so arranged that contact, penetration and/or movement cause operation of the alarm.
116, Signals and Indicators, appropriate subclasses for mechanical signals. 340, Communications: Electrical, appropriate subclasses, for electrical signaling, especially
545.1+, for electrical automatic door or window movement and partition penetration responsive indicating systems.
