Patent ID: 7449332

Claim:
A culture dish assembly comprising: a culture dish having a polygonal bottom wall with an outer periphery and a side wall enclosure extending up from said bottom wall and having a top edge remote from said bottom wall, said side wall enclosure including a plurality of substantially planar panels and non-planar corners connecting adjacent panels, said side wall enclosure including a top edge spaced from said bottom wall, said side wall enclosure including a plurality of engagement structures formed on inwardly facing surface regions of said substantially planar panels at locations spaced from said non-planar corners, wherein said engagement structures comprise engagement structures formed on each of said planar panels of said side wall enclosure, wherein said engagement structures on said side wall enclosure are elongated and define a direction of elongation substantially parallel to said bottom wall of said culture dish, wherein said engagement structures on said side wall enclosure each are substantially rectangular, and, wherein said engagement structures on said side wall enclosure are projections that project inwardly relative to said side wall enclosure; and a splash guard having a frame-shaped top wall engaged on said top edge of said side wall enclosure and engagement flanges extending down from said top wall and nesting with, and interiorly of, portions of said planar panels, said engagement flanges including engagement structures releasably engaged with said engagement structures on said planar panels.