US PATENT SUBCLASS 182 / 220
.~ Independent support for rung
Current as of:
June, 1999
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182 /
HD
FIRE ESCAPE, LADDER, OR SCAFFOLD
194
DF
LADDER
{10}
220
.~ Independent support for rung
DEFINITION
Classification: 182/220
(under subclass 194) Device including a distinct support element mounting a rung to a stile.
SEE OR SEARCH THIS CLASS, SUBCLASS:
159+, for a rung-stile connection in a collapsible ladder of rigid components.
228.1+, for a joint between a rung and stile.
SEE OR SEARCH CLASS
211, Supports: Racks, 123, for a rod type rack.
248, Supports,
200+, especially subclasses 251+ for a rod bracket.
403, Joints and Connections, appropriate subclasses, for connections in general and particularly
230+, for a connection between the end of one rod and the side of another.