(under the class definition) Structure having features peculiar to buildings for confining a person so that he cannot leave the building or compartment thereof without outside intervention.
SEE OR SEARCH THIS CLASS, SUBCLASS:
65, for buildings with revolvable section, e.g., revolving prison cells.
SEE OR SEARCH CLASS
49, Movable or Removable Closures,
15+, for a jail structure restricted to movable doors, their mountings, operators and/or locks.
109, Safes, Bank Protection, or a Related Device, appropriate subclasses for a related structure for preventing entrance of persons into a building or part thereof, except 21.5, which is the residual subclass for a structure allowing voice transmission through a closure of barrier irrespective of disclosed purpose.
