Patent ID: 6254833
Filing Date: 2001-07-03
Classification: B01J,B01L,C40B,G01N,Y10S

Abstract:
A lid comprising the unitarily formed combination of:(a) a rectangular surface comprising an upper surface and a lower surface having first and second pairs of opposite sides;(b) a flange depending from said surface along said first and second pairs of sides, said flange bearing at least one recessed area along each side of said first pair of sides, said at least one recessed area extending substantially into said surface; and(c) said flange having first and second recessed areas along each side of said second pair of sides, said first and second recessed areas extending substantially to said surface, and said flange having a third recessed area between said first and second recessed areas, said third recessed area extending toward said surface but not extending as far as said first and second recessed areas.