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Class Information
Number: 5/728
Name: Beds > Mattress (for whole body) > Sectional with regard to firmness > Comprising horizontal firm slatlike or platelike inserts
Description: Sectional firmness mattress containing permanent or removable, generally rigid slats or plates positioned only in selected portions of the mattress to selectively alter the firmness of the mattress.

Patents under this class:

Patent Number Title Of Patent Date Issued
8621694 Sleep support surface that includes a layer with large diameter cleaving Jan. 7, 2014
8607380 Portable lightweight bed Dec. 17, 2013
8561236 Stepped-edge and side-support members, assemblies, systems, and related methods, particularly for bedding and seating Oct. 22, 2013
8296976 Method for communicating performance attributes Oct. 30, 2012
8250689 Channel-cut cushion supports Aug. 28, 2012
8209804 Customizable mattress topper system Jul. 3, 2012
8196241 Pressure reduction healthcare mattress system Jun. 12, 2012
7921491 Healthy bed for actively supporting a human spine curve Apr. 12, 2011
7849541 Bed with rigid platform and fluid suspension Dec. 14, 2010
7013515 Body impression-resistant mattress assembly Mar. 21, 2006
6918146 Adjustable seat cushion for furniture Jul. 19, 2005
6829798 Low density pocketed spring assembly and method of manufacture Dec. 14, 2004
6652034 Upholstery support Nov. 25, 2003
6499167 Mattress section support Dec. 31, 2002
6397419 System and method for sleep surface adjustment Jun. 4, 2002
6161234 Lying surface with lamellar grid Dec. 19, 2000
6061856 Mattress May. 16, 2000
6003178 Anatomic mattress Dec. 21, 1999
5974606 CPR backboard and method of use Nov. 2, 1999
5430901 Anatomically conformable therapeutic mattress overlay Jul. 11, 1995
5398354 Heel pillow mattress Mar. 21, 1995
5117519 Therapeutic mattress cover and method of making Jun. 2, 1992
5048167 Method for restoring used mattresses Sep. 17, 1991
RE32734 Reversible mattress Aug. 23, 1988
4638517 Structure for bed Jan. 27, 1987
4407031 Elastomer mattress with stiffener elements Oct. 4, 1983
4365371 Mattresses with stiffeners Dec. 28, 1982
4161045 Mattress Jul. 17, 1979
3995337 Mattress construction Dec. 7, 1976

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