US PATENT SUBCLASS 52 / 106
JAIL-TYPE STRUCTURE


Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

106JAIL-TYPE STRUCTURE


DEFINITION

Classification: 52/106

(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.