Patent ID: 9427041
Filing Date: 2016-08-30
CPC Classification: A43B

Claim Text:
1. An article of footwear comprising: an outer shell, the outer shell including an upper and a sole structure; an inner liner, the inner liner being a separate component designed to be inserted and also removed from within an interior of the outer shell; the inner liner further comprising a heating system, the heating system including a power source and a heating element; wherein the heating system is disposed within the inner liner; the inner liner having an upper liner portion and a lower liner portion, wherein the upper liner portion includes a cuff; the lower liner portion having a forefoot region, a heel region opposite the forefoot region, a midfoot region disposed between the forefoot region and the heel region, and an outermost front tip portion of the forefoot region; wherein the outermost front tip portion of the forefoot region, is disposed adjacent a toe cap perimeter and extends vertically between a bottom of the inner liner and a top portion of the forefoot region, wherein the outermost front tip portion comprises a gap, the gap is positioned between the toe cap perimeter and an interior liner layer; wherein the forefoot region having a lateral side and a medial side; wherein the cuff includes a battery compartment area disposed in between an outer layer of the inner liner and an inner layer of the inner liner, the battery compartment area being configured to receive the power source of the heating system; and wherein the heating element is a toe cap heating element that is designed to be positioned only within the gap, the heating element having a rectangular and arcuate geometry including a vertical portion extending vertically between the bottom of the inner liner and the top portion of the forefoot region and a horizontal portion extending in a curve from the lateral side to the medial side of the forefoot region.