(under the class definition) Subject matter modified to project partly through a window or having some modification adapting it for use in connection with or relation to a window; having means for concealment in a floor or raising it therefrom; having means for raising it to or concealing it within a ceiling; or having special means other than casters for enabling it to be used in either of two adjoining rooms as desired.
SEE OR SEARCH THIS CLASS, SUBCLASS:
170+, for upending bed shifters.
SEE OR SEARCH CLASS
52, Static Structures (e.g., Buildings),
27+, and particularly subclass 36.4 wherein additional structure other than that necessary to house an article is defined.
454, Ventilation,
197, for ventilating and screening means for window beds not involving a modification of the bed.