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Class Information
Number: 5/730
Name: Beds > Mattress (for whole body) > Sectional with regard to firmness > Comprising a firmness altering slit, groove, cutout, or cavity
Description: Sectional firmness mattress in which a narrow aperturelike portion is provided on the pad top supporting surface, or through the mattress in order to provide supporting portions of different characteristics in the pad.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8640281 Non-inflatable temperature control system Feb. 4, 2014
8621694 Sleep support surface that includes a layer with large diameter cleaving Jan. 7, 2014
8561236 Stepped-edge and side-support members, assemblies, systems, and related methods, particularly for bedding and seating Oct. 22, 2013
8359689 Mattress adapted for supporting heavy weight persons Jan. 29, 2013
8356372 Systems and methods for hinged bedding assemblies Jan. 22, 2013
8230538 Mattress innerspring inserts and supports Jul. 31, 2012
8196241 Pressure reduction healthcare mattress system Jun. 12, 2012
7886388 Mattress adapted for supporting heavy weight persons Feb. 15, 2011
7841057 Method of manufacturing a panel for a mattress Nov. 30, 2010
7810192 Head support pillow Oct. 12, 2010
7716765 Combination mattress with a removable baby-carrying piece May. 18, 2010
7661165 Adjustable-springing mattress Feb. 16, 2010
7574762 Multilayered mattress component Aug. 18, 2009
7496981 Foam spring mattress Mar. 3, 2009
7424763 Channel-cut cushion supports Sep. 16, 2008
7293311 Method of making a multilayered mattress component Nov. 13, 2007
7036173 Channel-cut cushion supports May. 2, 2006
6941603 Cushioning element for mattresses, pillows and the like Sep. 13, 2005
6874185 Mattress with semi-independent pressure relieving Apr. 5, 2005
6848138 Patient support surfaces Feb. 1, 2005
6829799 Ischial tuberosity pressure relief cushion Dec. 14, 2004
6807698 Bed having low body pressure and alignment Oct. 26, 2004
6739008 Variable density therapeutic cushion May. 25, 2004
6704961 Support for the corpus of a lying or sitting person Mar. 16, 2004
6701557 Single piece foam toppers with perimeter areas having variable support and firmness properties Mar. 9, 2004
6658683 Posturized foam ply for use in a bedding or seating product Dec. 9, 2003
RE38135 Mattress structure having a foam mattress core Jun. 10, 2003
6516481 Mattress for support of a patient recovering from surgery Feb. 11, 2003
6499167 Mattress section support Dec. 31, 2002
6442780 Mattress with semi-independent pressure relieving pillars Sep. 3, 2002
6430766 Modular mattress apparatus Aug. 13, 2002
6286166 Modular foam mattress Sep. 11, 2001
6041459 Convoluted foam cushion Mar. 28, 2000
6003179 Inclined anatomic support surface Dec. 21, 1999
5960497 Pressure relieving pad with graduated pillars Oct. 5, 1999
5816661 Vehicle seat structure Oct. 6, 1998
5802646 Mattress structure having a foam mattress core Sep. 8, 1998
5677036 Medical pad Oct. 14, 1997
5533218 Cushioning devices Jul. 9, 1996
5491852 Mattresses and chaise longue cushions having a core made of flexible polyurethane foam Feb. 20, 1996
5430901 Anatomically conformable therapeutic mattress overlay Jul. 11, 1995
5394577 Therapeutic anti-decubitus, lateral rotation mattress Mar. 7, 1995
5353455 Padding body with individual modular elements Oct. 11, 1994
5252278 Method of making a mattress overlay Oct. 12, 1993
5160785 Padding body Nov. 3, 1992
5136740 Varying firmness mattress Aug. 11, 1992
5136741 Multiple component mattress with removable cover Aug. 11, 1992
5134735 Mattress cushion with multiple zones Aug. 4, 1992
5127119 Shear stress control in body support pads Jul. 7, 1992
5111542 Anatomically conformable foam support pad May. 12, 1992

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