Patent ID: 6059478
Filing Date: 2000-05-09
Classification: A45C,B42F

Abstract:
A binder or portfolio comprising:a front cover having an inner side, an outer side, and a periphery:a back cover having an inner side, an outer side, and a periphery;a central spine, said spine including top and bottom ends and two sides, wherein said front cover is foldably joined to one side of said spine and said back cover is foldably joined to the other side of said spine;an expandable gusset substantially formed from a flexible, elastic material, having a front portion and a back portion, wherein the front portion of said gusset is attached to said periphery of said inner side of said front cover running from the top of said spine to the bottom of said spine, and the back portion of said gusset is attached to said periphery of said inner side of said back cover running from the top of said spine to the bottom of said spine; anda closure means for releasably securing the front portion of said gusset to the back portion of said gusset,wherein said front and back covers inner sides include an inwardly directed attachment panel for attaching said front and back portions of said gusset, said gusset being folded inwardly and attached to said panel thereby biasing said gusset outwardly of said binder.