Patent ID: 8002232

Claim:
A catalytic converter theft deterrent device comprising: an adjustable frame structure having at least a top set and a bottom set of plates, each set comprising at least two plates having a fastening flange and a distal flange and at least two bends in the plate between the fastening flange and the distal flange such that a face of the fastening flange of the plate is parallel to a face of the distal flange of the plate, the fastening flange and distal flange each having at least one hole that receives a fastener; at least one vertical fastener passing through the at least one hole in the distal flange, the distal flange positioned to overlap a plate having multiple holes for width adjustment such that the at least one vertical fastener further passes through at least one of the multiple holes thereby fastening the overlapping distal flange to the plate having multiple holes; at least one vertical fastener passing through the at least one hole of each opposing top and bottom fastening flange connecting the top and bottom sets of plates such that the top and bottom sets of plates clamp around the catalytic converter; and at least one cable attached to the adjustable frame structure at two points, the at least one cable forming a loop that encircles at least a portion of at least one vehicle undercarriage element to secure the adjustable frame structure to a vehicle undercarriage.