Agitation of material in feeder or supply reservoir:
(under subclass 150.1) Subject matter including means for agitating the material in the feed means or in a supply container operatively associated with the feed means.
(1) Note. The agitation may be for the purpose of moving the material toward the chamber or merely for preventing agglomeration of the material so as to maintain its free flow. The recitation of a screw conveyor or other feed means that inherently agitates material is sufficient to make placement of a patent here proper. A trap chamber feeder is not considered to inherently agitate material as required for this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
290, for plural intercommunicating stationary mixing chambers having a stirrer in each chamber.