Class Information
Number: 222/489
Name: Dispensing > With plural openings or discharge guides > Having flow controllers or closures > For single passage into which plural passages merge > Screw-type flow controller or closure
Description: Dispensers in which the flow controller or closure is of the screw type, i.e., carries or is rigid with an element that carries screw threads for connection to some other part, so as to be movable because of screw motion.
Patents under this class:
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