(under subclass 576) Dispenser in which the dip well provides the sole dispensing outlet from the supply container, and the container is otherwise airtight; whereby establishment of a level of ink in the dip well to bridge said outlet serves, by atmospheric pressure, to prevent further flow of a ink thereinto and removal of ink by means of a penpoint permits resumption of a corresponding increment of flow of ink into said dip well.
SEE OR SEARCH THIS CLASS, SUBCLASS:
457, for barometric dispensers of general utility; and see the search notes thereto.
SEE OR SEARCH CLASS
401, Coating Implements With Material Supply,
120, for the combination of a barometric inkwell and a pen.