(under the class definition) Device comprising a traffic path including an impediment to traffic in the form of a hole or cavity in the path, and including means movable to cover the hole or cavity to provide a passageway thereover, a pit is usually acting to prevent the passage of animals and therefore may take the place of a gate in a fence.
SEE OR SEARCH THIS CLASS, SUBCLASS:
37, for a closure which converts to a gangway.
131+, for a closure which moves to an inoperative position flush with the ground.
SEE OR SEARCH CLASS
14, Bridges,
31+, for a draw bridge, and particularly subclasses 50+ for an interrelated draw bridge and gate.
404, Road Structure, Process, or Apparatus,
23, for a pavement with removable light admitting means and subclasses 25+ for a pavement with a vault cover-closure.
