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Class Information
Number: 5/701
Name: Beds > Mattress (for whole body) > Rigid plate or layer reinforced, with uniform, fixed supporting characteristics across top surface
Description: Mattresses disclosing the use of a single firm layer or plate, or a plurality of smaller, firm elements provided within or integrally on top of the mattress, to stiffen the support characteristics of the mattress, the mattress having homogeneous or constant support characteristics across its top supporting surface.










Patents under this class:

Patent Number Title Of Patent Date Issued
8607380 Portable lightweight bed Dec. 17, 2013
8375492 Mattress structure Feb. 19, 2013
7810194 Mattress for adjustable bed Oct. 12, 2010
7624464 Titanium mattress member Dec. 1, 2009
7103933 Mattress and bed assembly providing an enlarged sleeping surface area Sep. 12, 2006
7013515 Body impression-resistant mattress assembly Mar. 21, 2006
6656856 Mattress and furniture insulator pad Dec. 2, 2003
6647569 Stressable fabric Nov. 18, 2003
6519798 Mattress and bed assembly providing an enlarged sleeping surface area Feb. 18, 2003
6401282 Modular mattress system Jun. 11, 2002
6308354 Upholstery pad with steel reinforced support Oct. 30, 2001
6003178 Anatomic mattress Dec. 21, 1999
5504952 Bed having user variable degree of hardness Apr. 9, 1996
5416936 Rolling-massaging mattress or cushion May. 23, 1995
5319814 Bedding structure with enhanced postural support Jun. 14, 1994
5230110 Mattress cushion with multiple zones Jul. 27, 1993
5172436 Mattress cushion Dec. 22, 1992
5138730 Mattress having core material between protective plates Aug. 18, 1992
5008141 Cushioning material for mattresses Apr. 16, 1991
4476594 Reversible mattress Oct. 16, 1984
4143435 Mattress having a corrugated plate Mar. 13, 1979
4106142 Mattress construction Aug. 15, 1978
3940811 Lightweight construction materials and articles made thereof Mar. 2, 1976











 
 
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