Innerspring mattress with plastic foam cover

Claim 1

A REVERSIBLE, LONG-LIFE INNERSPRING MATTRESS HAVING GOOD FORM RETENTION AND A SELECTYED DEGREE OF SOFTNESS, SAID MATTRESS COMPRISING, AN INTERCO NNECTED COIL SPRING ASSEMBLY HAVING AN OUTER SURFACE, A LOWER SURFACE AND A CONTINUOUS OUTER SIDE EDGE, AN UPPER AND LOWER FIBROUS MATERIAL LAYER COVERING SAID UPPER AND LOWER SURFACES RESPECTVELY AND EACH HAVING MARGINAL PORTIONS BENT OVER AND ATTACHED TO SAID COIL SPRING ASSEMBLY, AN UPPER AND LOWER RESILIENT, SUBSTANTIALLY PLANAR FOAM MATERIAL LAYER COVERING SAID UPPER AND LOWER FIBROUS MATERIAL LAYERS RESPECTIVELY AND EACH HAVINGA FREE PERIPHERAL PORTION THEREOF EXTENDING BEYOND SAID OUTER SIDE EDGE OF THE MATTRESS, SAID PERIPHERAL PORTION OF SAID UPPER FOAM LAYER BEING OVERTURNED TOWARD SAID LOWER FOAM LAYER AT SAID SIDE EDGE AND SAID PERIPHERAL PORTION OF SAID LOWER FOAM LAYER BEING OVERTURNED TOWARD SAID UPPER FOAM LAYER AT SAID SIDE EDGE WITH SAID OVERTURNED PORTIONSO F SAID UPPER AND LOWER FEOAM LAYERS DEFINING ENDS SPACED FROM AND SUBSTANTIALLY FACING EACH OTHER, AN UPPERAND LOWER ANTI-FRICTION LAYER COVERING SAID UPPER AND LOWER RESILIENT FOAM MATERIAL LAYERS RERESPECTIVELY, SAID FOAM LAYERS HAVING CORNERS DEFINING ANGULAR SLOTS THEREIN POSITIONED ADJACENT CORNERS PROVIDED BY SAID ASSEMBLY, AND SAID ASSEMBLY AND ALL SAID LAYERS BEING ENCASED IN AN OUTER TICKING WHICH SOLELY MAINTAINS SAID FOLDED OVER ENDS OF SAID FOAM LAYERS IN THEIR INTENDED POSITION.