(under the class definition) Apparatus having means for testing contents material, for determining the amount of the contents material in the receiver by weighing or means for determining whether or not the proper amount of material has been placed in the receiver.
SEE OR SEARCH CLASS
177, Weighing Scales,
52+, for receivers successively handled relative to a weigher, subclass 59 for a weigher correlated with a receiver, and subclasses 60+ for weigher responsive material control comprising supplying, filling, removing material from the weigher or removing a receiver from filling-weighing position.
77, for dispensers involving weighing features and see the search notes to that subclass for miscellaneous material handling type involving weighing.