(under the class definition) Receptacles having means to indicate: (1) an amount of content, either within the receptacle or being withdrawn, (2) the nature of the content, usually that of being dangerous to human consumption, or (3) that the content has been altered in some way.
SEE OR SEARCH THIS CLASS, SUBCLASS:
47, and 250, for frangible necks and closures respectively.
201+, for "childproof" closures.
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting,
310+, for bottle labels or mere modification of the bottle to receive a label. 73, Measuring and Testing,
427+, for measuring receptacles having means for indicating quantity of material therein.
222, Dispensing,
23+, for dispensing receptacles with indicators.
401, Coating Implements With Material Supply,
194, for a coating implement with material supply having signal or indicator means perceptible for determining the amount, condition or rate of flow of the material.
424, Drug, Bio-Affecting and Body Treating Compositions,
10.1+, for a combination of a Class 424 composition with an identification or warning feature.
