Patent ID: 8453602

Claim:
A pet feeding device, comprising: an outer bowl of uniform construction with a rim and an inner cavity that has a retaining ridge defined in at least a portion of the rim of the outer bowl which is of uniform construction; a compression device disposed within the inner cavity; a plurality of liners, wherein the plurality of liners are stacked and nested in a vertical array so that a rim of one of said liners defines the top of said vertical array and a base of another of said liners defines the bottom of said vertical array; wherein the plurality of liners are disposed within the inner cavity so that the bottom of the vertical array abuts the compression device; wherein the plurality of liners are confined in the inner cavity by the compression device exerting force between the inner cavity and the bottom of the vertical array while the top of the vertical array abuts the static retaining ridge, wherein movements of the plurality of liners are restricted by contact between the compression device and the bottom of the vertical array while the plurality of liners is confined within the inner cavity; and wherein the rim of the outer bowl has a thumb notch formed out of the fixed retaining ridge for easy removal of at least one liner.