(under subclass 23) Devices combined with means for marking contained articles upon attack. The articles are usually money or negotiable paper and the marking is generally for the purpose of warning that it has been stolen. The marking may be done, for example, by stamping, punching, dyeing, or burning, and may be set off either automatically or manually upon attack.
(1) Note. See the pertinent subclasses of Classes 8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers; 83, Cutting; 102, Ammunition and Explosive Devices; and 118, Coating Apparatus.
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20, for bank protecting devices for releasing, generating and/or distributing fluent material upon attack for other purposes.
