Patent ID: 6859962

Claim:
A set of bed sheets for application to a mattress having a top, a bottom and sidewalls, said set of bed sheets comprising: a lower sheet including a main bottom panel having an outer surface and an inner surface and said lower sheet being sized, structured and configured to encompass and cover the bottom of the mattress and at least a portion of the sidewalls thereof, and said lower sheet including a peripheral edge zone; an upper sheet including a main top panel having an outer surface and an inner surface, said upper sheet being sized, structured and configured to encompass and cover the top of the mattress and said upper sheet including a peripheral edge zone; said lower sheet and said upper sheet each including an element of a cooperating releasable fastener extending continuously along said respective peripheral edge zones, and said elements of said cooperating releasable fastener being structured and disposed for uninterrupted attachment of said upper sheet to said lower sheet continuously about said respective peripheral edge zones so that said upper and lower sheets enclose the mattress; a moisture proof major panel adapted for positioning between the top of the mattress and said upper sheet, and said moisture proof major panel being sized, structured and configured to cover at least a portion of a total area of the top of the mattress, and said moisture proof major panel including an absorbent side and a waterproof side, said absorbent side of said moisture proof major panel facing said inner surface of said main top panel and said waterproof side of said moisture proof major panel facing the top of the mattress when said moisture proof major panel is positioned between said upper sheet and the mattress; second elements of a releasable fastener on said inner surface of said main top panel; and cooperating second elements of a releasable fastener on said moisture proof major panel for releasable attachment with said second elements of said releasable fastener on said inner surface of said main top panel, whereby said upper sheet and said moisture proof panel may be selectively attached.