(under subclass 170.4) Apparatus having conduits or passages so connecting portions of the apparatus that the mixture may be directed to a point of discharge without passing through the vessel so that it is possible to discharge either material which has been held or treated in the vessel, material which has not been so treated, or a desired combination of such materials.
SEE OR SEARCH THIS CLASS, SUBCLASS:
599+, for fluid handling means in which the fluid flow is divided into parallel flow paths and then recombined.
SEE OR SEARCH CLASS
222, Dispensing,
318, for dispensers having means to by-pass or to otherwise return the material to the source. 516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,
115+, for processes of or compositions for or subcombination compositions for the breaking of or inhibiting of foam colloid systems, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.
