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Class Information
Number: 5/251
Name: Beds > Bedsteads > Having bottom > Of springs > Spiral springs only > Frames, sectional and collapsible > Variable width or length
Description: Devices variable in width or length to adapt them to variations in the size of the bed.

Patents under this class:

Patent Number Title Of Patent Date Issued
8635727 Variable-size bed Jan. 28, 2014
7814594 One-sided mattress Oct. 19, 2010
7418753 One-sided mattress Sep. 2, 2008
6931685 One-sided mattress Aug. 23, 2005
5471688 Modular innerspring and box spring assemblies Dec. 5, 1995
4195376 Box spring assembly with improved end stiffness Apr. 1, 1980

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