(under the class definition) Device comprising a movable closure and a structure supporting the closure for movement, and wherein the closure and supporting structure are handled as a unit for insertion into an opening or for conveyance from one place to another, e.g., a movable closure mounted on a removable frame.
SEE OR SEARCH THIS CLASS, SUBCLASS:
45, for a plural wing revolving door in which the wings and their mounting means are bodily moved to one side of the opening to provide a through passage.
163+, for a closure and frame unit, in which the closure is movable independently of and with another closure on which it is mounted, and especially subclass 171 for a peephole or letter slot closure and frame unit.
365, for a closure mounted on a center post which is movable or removable independently of the closure.
463+, for a closure removable relative to its supporting structure. SEE OR SEARCH CLASS
160, Flexible or Portable Closure, Partition, or Panel,
351, for portable closure and frame units of that class.
206, Special Receptacle or Package,
331, for a building component packaged closure and frame unit; i.e., having additional means to hold the parts in position, or to protect them, during shipping or storage.
