Patent ID: 8661750

Claim:
An insulating cover assembly comprising: a continuous frame having spaced side walls and spaced end walls arranged generally to form a planar base, said frame defining a frame opening therethrough and comprising at least one elongated tab extending generally perpendicularly below said planar base; a removable closure member, said removable closure member including: a depending central portion, said depending central portion being sized and shaped to fit within said frame opening when said removable closure member is positioned on said frame in a covering relationship with respect to said frame opening; and an upper portion forming flanges, said flanges extending laterally outward relative to said depending central portion, said flanges being sized and shaped to engage an upper surface of each of said side walls and end walls to create a continuous seal with said frame when said removable closure member is positioned on said frame in covering relationship with respect to said opening defined by said frame; wherein said closure member is completely detached from said frame when said continuous seal is broken.