Patent ID: 8939310
Filing Date: 2015-01-27
Classification: B65D,F16B

Abstract:
1. A vessel, comprising: a vessel base comprising: at least one upper lid that selectively closes said upper chamber space, each of said at least one upper lid comprising an upper inner lid that engages with an upper lid receiving portion defined by said vessel base inward of said upper rim or an upper outer lid configured to engage with said upper rim and surround said upper inner lid when present; and at least one lower lid that selectively closes said lower chamber space, each of said at least one lower lid comprising a lower inner lid that engages with a lower lid receiving portion defined by said vessel base inward of said lower rim or a lower outer lid configured to engage with said lower rim and surround said lower inner lid when present, said upper wall portion tapering radially outward from said intermediate wall portion and said upper lid receiving portion being defined on said upper wall portion such that said upper inner lid extends entirely over said intermediate wall portion, said lower wall portion tapering radially outward from said intermediate wall portion and said lower lid receiving portion being defined on lower wall portion such that said lower inner lid extends entirely under said intermediate wall portion.