De-icing pad

Claim 1

A DE-ICING PAD HAVING A RECTANGULAR OUTER CONFIGURATION AND CONSTRUCTED AND ARRANGED TO LAY OVER AN OUTDOOR SURFACE AND PROTECT SAID SURFACE FROM UNWANTED BUILDUP OF ICE LAYERS, SAID PAD COMPRISING A RESILIENT ORGANIC CLOSED CELL FOAM RUBBER BODY HAVING AN UPPER AND LOWER SURFACE AND A SUBSTANTIALLY MOISTURE IMPERMEABLE SKIN LAYER COVERING SAID UPPER AND LOWER SURFACE, SAID PAD HAVING A THICKNESS OF AT LEAST 3/4 INCH ENABLING THE UPPER SURFACE OF SAID BODY TO BE ELASTICALLY DEPRESSED TO SHATTER ICE WHILE SAID LOWER SURFACE IS SUPPORTED ON AN OUTDOOR SURFACE, SAID RUBBER BODY BEING RESILIENTLY AND ELASTICALLY COMPRESSIBLE AT TEMPERATURES BELOW THE FREEZING TEMPERATURE OF WATER SAID PAD HAVING AN OUTER PERIMETER DEFINING A PAD LOWER SURFACE ADAPTED TO OVERLIE AN OUTDOOR STAIRWAY STEP, SAID SKIN AND UPPER AND LOWER SURFACES HAVING A PLURALITY OF PARALLEL CORRUGATIONS OF SUBSTANTIAL DEPTH WHEREBY SAID CORRUGATED UPPER SURFACE PROVIDES A WEAR RESISTANT AND ICE SHATTERING MEANS AND SAID CORRUGATED LOWER SURFACE PERMITS FLOW OF WATER UNDER SAID PAD WHEN SAID PAD IS POSITIONED ON A LEVEL SURFACE AND WHEREBY PRECIPITATION MAY FLOW UNDER SAID PAD AND FREEZE IN SAID CORRUGATIONS TO ANCHOR SAID PAD TO AN OUTDOOR SURFACE.