Patent ID: 8118190

Claim:
A plastic container comprising a cover and a base, said cover including a center panel having a top surface and a peripheral first closure portion surrounding said center panel; said base including a second closure portion; wherein said first closure portion of said cover is sealingly engageable with said second closure portion of said base so that when said first closure portion and said second closure portion are sealingly engaged with each other, said cover and said base define a substantially sealed storage area; said cover having an engagement portion including a cap extending above said center panel, said cap comprising a perimeter edge and an engagement sidewall having two or more engagement lugs and two or more drainage channels spaced apart circumferentially about the perimeter of the edge of the cap between the engagement lugs, the engagement sidewall coupling the cap to the top surface of the center panel; wherein each of said engagement lugs of said engagement portion of said cover comprise a lower locking protrusion on a lug outside surface and an upper locking protrusion above said lower locking protrusion on said lug outside surface; and wherein one of said engagement lugs of said cover is releasably lockable with an engagement lug of a second cover and wherein all the engagement lugs are not identically configured.