Class 5/240 - Collapsible or extensible frameworks

Subclass of Class 5 - Beds
Definition: Devices which may be compactly collapsed for transportation,
No. of patents: 2
Last issue date: 02/27/1990

Number	Title	Issue Date
4903949	Foundation unit having collapsible support members A foundation unit which can be collapsed for compact shipping and which later can be elevated to a fully expanded state. The foundation unit includes a rectangular, grid wire top bearing structure, a rigid bottom substructure, and a series of spaced, para...	02/27/1990
4771995	Collapsible box spring A collapsible bedding foundation comprises a rectangular base frame and a rectangular wire grid. The wire grid is hingedly supported upon the frame for movement between a collapsed position and an erect position. The hinged connection between the wire gri...	09/20/1988

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