Patents Assigned to E-Z P.A.C., Inc.
  • Reusable shipping box with cam tabs for release of closure interlock
    Patent number: 4535929
    Abstract: Reusable box apparatus includes a single blank from which a box is formed without the need for external fasteners, such as staples, adhesive, or tape, and which blank includes a plurality of interlocking tabs and slots for fastening the box together. The completed box includes two top flaps, both of which may be pre-addressed, for alternate use in two-way shipping, and which further includes cam elements for aligning tabs with slots for the easy release of the top flaps.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: August 20, 1985
    Assignee: E-Z P.A.C., Inc.
    Inventors: Ralph A. Sherman, II, Calvin R. Watson