(under the class definition) Structures having a closure for an access opening in an external wall and having a second closure inside the structure for closing the same opening or a portion thereof or for closing an access opening to an inner compartment. The closures may be either movably. mounted on the structure or merely removable therefrom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
270.1+, for compartments which, when moved to housed position, are closed by a nonshelf member supported inside the housing.
310+, for cabinets having closures which must be moved to open position before movable housed parts, such as
compartments, can be withdrawn to accessible position outside the cabinet.
