Patent ID: 7234604

Claim:
A modifiable display rack, the display rack comprising: a first rack system, wherein the first rack system includes at least two first display support members supported by one of said first, and wherein a first display support members includes a first plurality of shelving slots; a second rack system, wherein the second rack system includes at least two second display support members supported by a second base, and wherein one of said second display support members includes a second plurality of shelving slots; a first shelf capable of coupling to a subset of the first plurality of shelving slots, wherein the first shelf includes a top, a bottom, and at least three sides, and wherein the first shelf includes a first mating feature along at least one of the sides, and wherein at least two of the sides couple to the at least two first display support members; a second shelf capable of coupling to a subset of the second plurality of shelving slots, wherein the second shelf includes a top, a bottom, and at least three sides, and wherein the second shelf includes a second mating feature along at least one of the sides, and wherein at least two of the sides couple to the at least two second display support members; and a mating shelf comprises a front surface, a back surface, and two side surfaces that do not adjoin to the at least two first display support members or the at least two second display support members, wherein the mating shelf is capable of joining with the first mating feature and the second mating feature to extend at least one of the first shelf and the second shelf without coupling to at least one of the subset of the first plurality of shelving slots and the subset of the second plurality of shelving slots.