Insulated sandwich and salad keeper

Claim 1

An insulated salad and sandwich keeper comprising, in combination a hollow box shaped receptacle of a hollow rectangular box-shaped configuration having a horizontal flat bottom surface, a pair of opposed vertically extending parallel front and back wall surfaces, and a pair of vertically extending parallel side wall surfaces, the surfaces defining interiorly thereof a compartment open at its top to provide ingress and egress thereof; a cover of said receptable consisting of a flat rectangularly shaped solid member having an exterior surface and interior surface, opposed flat front and back edges, and opposed flat side edges, the cover being of a width and length to completely overlap the open top of said receptacle compartment and engage the top edges of the wall surfaces in an air tight manner for sealing the receptacle compartment when the cover is in place thereon; said receptacle and cover manufactured of insulating material; said receptacle being characterized by a longitudinally extending groove of a semi-circular cross section disposed in the top edge of each of the wall surfaces of the receptacle, a pair of rib members formed on the top edges of wall members with each rib member being disposed on an opposite side of the groove and extending longitudinally therealong, an annular recess of a semi-circular configuration disposed completely about the exterior surfaces of the wall surfaces to define a plane parallel to the receptacle bottom surface and disposed immediately adjacent the bottom portion of one of the rib members, and with said cover member including a pair of parallelly extending grooves disposed in the interior surface completely about the edge surfaces and of a size and configuration to receive the receptacle ribs therein, a rib extending between the cover grooves and adapted to be received in the receptacle groove whereby the cover is snap-fitted to the receptacle for sealing the receptacle compartment.