Image Number 3 for United States Patent #7537192.
A multi-purpose portfolio formed from a sheet of rigid card with transverse hinged lines dividing the card into a number of panels that may be completely folded into its closed or carrying position, partially unfolded to access pen, pad, and the likes, and fully erectable for use as a podium, book holder or display stand. The major front panel and major back panel are secured together at their upper edges by a hinge line, and each has a narrow panel hinged along its bottom edge. In its fully erect position, the major front panel is inclined to hold books. Each panel has a hinge line along its bottom edge that secures a narrow panel.
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