Tear away top structure for a rectangular paperboard container

A paperboard container comprising:

• parallel and spaced apart front and back panels connecting parallel and spaced apart first and second side panels;
• said first side panel connected to said back panel by means of a side seam seal flap which is integrally connected to one of said first side and back panels and is sealingly secured to the other one of said first side and back panels;
• a top cover connected to upper marginal edges of said front, back, and first and second side panels;
• tear line means including a first section located in said front panel along an upper marginal edge thereof, a second section extending generally alongside an upper marginal edge of said first side panel, and a third section extending generally alongside an upper marginal edge of said second side panel;
• said first, second, and third sections of said tear line means cooperating to define a portion of said container to be opened such that, when said first, second, and third sections of said tear line means are severed, said openable portion remains hingedly attached along a back marginal edge of said top cover;
• said front panel including an upper extension hingedly attached along an upper marginal edge thereof and said top cover including a front extension hingedly attached along a front marginal edge thereof, said entire upper extension and said front extension extending outwardly from the interior of said container and having inner surfaces in facing relationship with one another, said upper extension and said front extension connected together to define an opening tab;
• and
• said opening tab operatively connected to said openable portion of said container, said opening tab adapted to be grasped by a user of said container to cause said container to sever along said first, second, and third sections and thereby open said container.