Patent ID: 7644857

Claim:
An expandable file folder apparatus comprising: a rigid first case having a front wall and a back wall, said first case having side walls connected to said front wall and said back wall, said first case having a bottom wall extending between said front and back walls, said front wall and said back wall and said side walls and said bottom wall being of a non-foldable solid planar material; a rigid second case having a front wall and a back wall with side walls connecting said front and back walls, said second case having a bottom wall extending between said front and back walls, said front wall and said back wall and said side walls and said bottom wall of said second case being of a non-foldable solid planar material; an expandable storing section positioned between said back wall of said first case and said front wall of said second case, said storing section having wrinkled walls on opposite sides thereof, said storing section having a bottom wall at a bottom thereof, said storing section having several dividing sheets positioned above said bottom wall and between said wrinkled walls, said storing section being lengthenable relative to said distance between said first and second cases.