Patent ID: 8123064

Claim:
A container having a base and lid formed of at least one deformed sheet of plastic sheeting, wherein said base and lid are centered on a vertical axis and said base and lid each has a trapping section and a pull-open section, said trapping section of said base has a trapping wall that allows the trapping section of the lid to be inserted to an installed position and then resists the trapping section of the lid from being pulled up, wherein: said pull-open section of said base has slot walls that form a horizontally-opening slot with a continuous slot periphery, and said pull-open section of said base forms a barrier wall extending from at least a part of said slot periphery, said base having an outer edge that extends along an outer edge of said pull-open section; said pull-open section of said lid has a pull-up lid tab that projects primarily horizontally through said slot and that has a radially outer portion that lies under said barrier wall so said barrier wall prevents the pull-up lid tab from being pulled up; at least one of said base slot walls and lid tab has a tear line that can be torn to enable at least part of said pull-up tab to be pulled up past said barrier wall to lift said lid.