US PATENT SUBCLASS 182 / 152
UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER

Current as of: June, 1999
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182 /   HD   FIRE ESCAPE, LADDER, OR SCAFFOLD

152UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER {2}
153  DF  .~> Trestle {2}
156  DF  .~> Collapsible ladder {3}

DEFINITION

Classification: 182/152

(under the class definition) Device comprising a unitary scaffold or ladder of rigid components which are hinged with respect to each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

53+, for a folding window seat type platform.

124, for a pivoted platform mounted on a ladder having a pivoted prop.

151, for a package type trestle of separable parts.

SEE OR SEARCH CLASS 108, Horizontally Supported Planar Surfaces,

115+, for a horizontally supported planar surface which is foldable.

248, Supports,

166+, for a folding stand having plural legs.