Patent ID: 6960748
Filing Date: 2005-11-01
Classification: B65D,Y10S

Abstract:
1. A collapsible microwave cooking container, comprising: a generally, rectangularly shaped paperboard blank folded along crease lines to form a bottom portion, a first side portion, a top portion, and a second side portion wherein said top portion and said first side portion are adapted to be attached so as to form a cube having opposed, open sides; and a first collapsible side and a second collapsible side each adapted to substantially cover one of said opposed, open sides of said cube when said collapsible microwave cooking container is in an expanded configuration; wherein each of said first collapsible side and said second collapsible side comprise a first generally rectangularly shaped segment laterally extending from said bottom portion and having a first radiused locking tab adjoining said first segment, a second generally rectangularly shaped segment laterally extending from said top portion and having a second radiused locking tab adjoining said second segment, and a locking tab slot disposed at the intersection of at least one of the first and second radiused locking tabs and the corresponding one of the first and second generally rectangularly shaped segments, respectively, such that when said collapsible microwave cooking container is in said expanded configuration, said collapsible microwave container is generally maintained in said expanded configuration as an exterior surface of said first locking tab engages an interior surface of said second generally rectangularly shaped segment and an exterior surface of said second locking tab engages an interior surface of said first generally rectangularly shaped segment and said top portion and one of said first and second generally rectangularly shaped segments is disposed within a the locking tab slot formed in the other of said first and second generally rectangularly shaped segments.