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Class Information
Number: 5/210
Name: Beds > Bedsteads > Having bottom > Fabricated elastic flats > Frame hangers, supports and retainers > Spring
Description: Devices comprising springs arranged between some part of a bedstead and a bed-bottom frame and sometimes requiring some modification of the former for giving a resilient support to the frame itself as distinguished from the surface of the bed bottom.

Patents under this class:

Patent Number Title Of Patent Date Issued
7404220 Bed frame with an elastically suspended mattress support Jul. 29, 2008
7401368 Tractor bed system Jul. 22, 2008
5016862 Vibration isolation arrangement May. 21, 1991
4834779 Process for membrane seperation of gas mixtures May. 30, 1989
4713851 Bed or bunk torsion spring suspension system Dec. 22, 1987
4435860 Spring suspension for sofa-bed Mar. 13, 1984

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