(under subclass 58) Devices in the form of ports, with or without closure means, specially designed to protect a person from projectiles or other type of attack. Includes gun ports, per se.
SEE OR SEARCH CLASS
49, Movable or Removable Closures,
171, for a viewing, ventilating or packet passage mounted on a closure and see the search notes in section IV of Class 49 for the loci of closures in other classes.
89, Ordnance, particularly
36.01+, and subclasses 37.01+, for such structures combined with a gun or a gun mount.
114, Ships, 5, for warship gun turrets and subclass 175 for ships' gun ports.
220, Receptacles,
662+, and the notes thereto for structures wherein a transparent panel is mounted in a wall.