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Class Information
Number: 5/258
Name: Beds > Bedsteads > Having bottom > Of springs > Elements > Top saddles
Description: Devices for caps of closed or open work of about the area of one spring unit resiliently supported on springs below. Usually is in the form of a disk or button riding on top, but may have a vertical guide stem supported by any kind of spring.

Patents under this class:

Patent Number Title Of Patent Date Issued
6721981 Body support apparatus Apr. 20, 2004
6647574 Coupled waveband suspension for bedding and seating units Nov. 18, 2003
6487738 Constant restoring force support surface Dec. 3, 2002
5558314 Fluid-like support device Sep. 24, 1996
5426799 Mattress system Jun. 27, 1995
4965898 Innovative structure of cushion Oct. 30, 1990
4956884 Modular box spring mattress Sep. 18, 1990
4703526 Undermattress using paired slats and an elastic supporting member Nov. 3, 1987
4628555 Innerspring mattress Dec. 16, 1986

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