(under the class definition) Structure including (1) two panels of different size, the smaller of which protects and is attached to, facially contacts, or is sealed to the surface of the larger panel or to a frame surrounding the larger panel, or (2) a panel which is attached to the outside of a barrier and which protects and covers an opening in the barrier, which opening is occupied by another, usually permanent, panel, e.g., storm panels over permanent windows.
SEE OR SEARCH THIS CLASS, SUBCLASS:
204.1+, for another construction defining or relating to an opening through a barrier, particularly subclasses 204.5+ for a window with attached bars or the like acting to reinforce the glass.
476, for a cornered frame with a releasable facer retainer,
e.g., for holding a window light in a surrounding framing section for it.
479+, for a barrier construction having facially opposed surfacing sections.
483.1+, for a facer abutting and concealing a frame. 506.01+, for a facer attached to another dissimilar in situ erected type structure.
SEE OR SEARCH CLASS
49, Movable or Removable Closures,
50+, for a protective grille which overlies a main closure, one of which is movable or removable and subclasses 61+ for an auxiliary closure which overlies a main closure one of which closure is movable or removable.