Modular type cartridge storage

Claim 1

A modular container system for visible storage and display of tape cartridges comprising: (a) closeable container means having a front face, rear face, opposite side edges and a bottom wall, said container means having an open top end for reception of tape cartridges; (b) closure means separate from said connecting means and adapted for engagement on the exterior surface surrounding said container at the open top end thereof for closing said container and protecting the contained cartridges; (c) connecting means disposed on the exterior of said front and rear faces and externally of said closeable container for connecting multiple containers in stacked flat face-to-face relationship, said connecting means including: (i) an elongate male connector member on one said face having a tongue section; (ii) an elongate female member on the other of said face having a groove therein to receive said male member; said male and female connector members' being dimensioned for slideable engagement for securing adjacent closed containers in interlocking uniformally spaced-apart engagement to accommodate said closure means between said front and rear faces.