.~.~ Container within container concentrically arranged
DEFINITION
Classification: 222/142.5
(under subclass 142.1) Dispensers in which plural containers or supply compartments are arranged one within the other about a common axis so that one container surrounds the other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
142.2, for this subject matter where the containers are movable relative to one another for selecting the source of material to be dispensed.