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Class Information
Number: 5/249
Name: Beds > Bedsteads > Having bottom > Of springs > Spiral springs only > Frames, sectional and collapsible
Description: Devices comprising framed made in sections or collapsible for compact transportation, as by rolling up. The sections may be made so as to be separated and rearranged. Includes also such forms of fabric and springs.

Sub-classes under this class:

Class Number Class Name Patents
5/250 Folding 19
5/251 Variable width or length 6

Patents under this class:

Patent Number Title Of Patent Date Issued
8407834 Sturdy, collapsible, folding mattress support having the appearance of a box spring Apr. 2, 2013
8370973 Collapsible, folding mattress support having the appearance of a box spring with legs Feb. 12, 2013
8312576 Sturdy, collapsible, folding mattress support having the appearance of a box spring Nov. 20, 2012
6966085 Sleep system Nov. 22, 2005
6032307 Collapsible bedding product Mar. 7, 2000
5765240 Spring bedding product collapsible in the transverse direction, and method of making it Jun. 16, 1998
5551104 Collapsible sofa bed mattress Sep. 3, 1996
5426799 Mattress system Jun. 27, 1995
4782540 Sleeper sofa mattress Nov. 8, 1988
4662011 Spring mattress May. 5, 1987
4654905 Body support for bed or seat Apr. 7, 1987
4620336 Body support for bed or seat Nov. 4, 1986
4489450 Body support for bed or seat Dec. 25, 1984

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