(under the class definition) Apparatus comprising a device in addition to or combined with separator structure or liquid purification apparatus (1) having functions other than purification or separation, or (2) serving to perfect the purification or separation apparatus for its intended purpose.
SEE OR SEARCH THIS CLASS, SUBCLASS:
85+, for apparatus with a single, indicator, register, recorder or inspection means.
151, for gas liquid surface contact means and a separator.
153+, for treating apparatus of this class in another installation not sufficiently included to form a basis of classification in the other art class.
173+, for a separator structurally combined with a comminutor.
175+, for treating apparatus with heat exchange. 188, for a liquid separator and a gas separator.
192, for treating apparatus with preliminary chemical manufacture.
239+, for a convertible feature of treating apparatus.
241+, for treating apparatus with a movable support.
