A flexible reclosable thermoformed thermoplastic container is disclosed which has a base with side walls and a peripheral shoulder extending from the side walls which has a downwardly depending rim. The cover of the container has peripheral edges with depending side walls and is preferably attached by...http://www.google.com.au/patents/US4986438?utm_source=gb-gplus-sharePatent US4986438 - Recloseable nesting tab container
