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Class Information
Number: 5/230
Name: Beds > Bedsteads > Having bottom > Of fabrics and springs
Description: Devices comprising bed bottoms in which the body or mattress supporting surface is a fabric complete in itself supported by springs either arranged to give support by exerting marginal tension or arranged beneath the fabric, or both.

Sub-classes under this class:

Class Number Class Name Patents
5/235 Connecting fabric to tops of coil springs 0
5/234 Leaf-spring supports 0
5/233 Marginal spring tension 4
5/231 Underslung spring supports 1
5/232 Yielding rail 0

Patents under this class:

Patent Number Title Of Patent Date Issued
8555435 Box spring support for mattresses Oct. 15, 2013
6116694 Seating product with sinuous spring assemblies Sep. 12, 2000
6056278 Seating suspension assembly and method May. 2, 2000
5700060 Seating suspension assembly Dec. 23, 1997
4469738 Oriented net furniture support material Sep. 4, 1984
4469739 Oriented woven furniture support material Sep. 4, 1984
4034429 Inner spring construction for mattresses, cushions and the like Jul. 12, 1977
3994033 Bedstead Nov. 30, 1976

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