Patent ID: 7356863

Claim:
A mattress pad positionable atop, or foaming a top surface of, a rectangular mattress comprising: a flexible substantially rectangular bottom sheet having a size and shape substantially similar to that of a top surface of the mattress; a flexible substantially rectangular fabric top sheet connected to said bottom sheet by peripheral stitching along common perimeter side, head and foot margins; a plurality of generally side-by-side transversely extending body supporting chambers defined by said peripheral stitching and spaced lines of continuous intermediate stitching which interconnect said top and bottom sheets through thicknesses thereof; each chamber of said plurality of body supporting chambers is filled with a compressible foam layer; a first said chamber of said plurality of chambers positioned centrally of a width of said mattress pad and adjacent said head margin to support a head area of a person and having a first nominal thickness of said foam layer between said top and bottom sheets; a second said chamber of said plurality of chambers positioned centrally of the width of said mattress pad and adjacent said first body supporting chamber to support an upper torso of the person and having a second nominal thickness of said foam layer between said top and bottom sheets; a third said chamber of said plurality of chambers positioned centrally of the width of said mattress pad and adjacent said second chamber to support a lower torso of the person and having a third nominal thickness of said foam layer between said top and bottom sheets; a fourth said chamber of said plurality of chambers positioned centrally of the width of said mattress pad and adjacent said third chamber to support a leg area of the person and having a fourth nominal thickness of said foam layer between said top and bottom sheets; a fifth said chamber of said plurality of chambers positioned centrally of the width of said mattress pad and adjacent said fourth chamber and said foot margin to support feet of the person and having a fifth nominal thickness of said foam layer between said top and bottom sheets; said first thickness being greater than said second thickness which is greater than said fourth thickness which is greater than either of said third or fifth thicknesses.