US 12,225,970 B2
Bladder for a footwear sole structure
Fidencio Campos, II, Dallas, OR (US); Zachary M. Elder, Portland, OR (US); Jeffery C. Gagatko, II, Portland, OR (US); Roger Paul Murphy, Portland, OR (US); ChunHong Wang, Beaverton, OR (US); and Doug D. Wilken, Hillsboro, OR (US)
Assigned to NIKE, Inc., Beaverton, OR (US)
Filed by NIKE, Inc., Beaverton, OR (US)
Filed on Apr. 3, 2024, as Appl. No. 18/626,008.
Application 18/626,008 is a division of application No. 17/564,322, filed on Dec. 29, 2021, granted, now 11,974,631.
Claims priority of provisional application 63/131,917, filed on Dec. 30, 2020.
Prior Publication US 2024/0245168 A1, Jul. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A43B 13/20 (2006.01); A43B 13/18 (2006.01)
CPC A43B 13/206 (2013.01) [A43B 13/186 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An article of footwear comprising:
a sole structure that includes a bladder including a peripheral chamber, a heel chamber, and at least one additional chamber;
wherein the peripheral chamber has a heel portion in a heel region of the sole structure and establishing a rear periphery of the bladder, a lateral arm portion extending from the heel portion and establishing a lateral periphery of the bladder, and a medial arm portion extending from the heel portion and establishing a medial periphery of the bladder;
wherein the bladder includes webbing connecting the heel chamber to the peripheral chamber and connecting the at least one additional chamber to the heel chamber and to the peripheral chamber;
wherein the heel chamber is disposed between the medial arm portion and the lateral arm portion and forward of the peripheral chamber in the heel region of the sole structure;
wherein the at least one additional chamber is disposed forward of the heel chamber; and
wherein the bladder includes a groove in the webbing, the groove extending between the medial arm portion and the at least one additional chamber, rearward of the at least one additional chamber, and between the at least one additional chamber and the lateral arm portion.