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Flexible sole for article of footwear

  • US 10,638,812 B2
  • Filed: 05/24/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 05/24/2017
  • Status: Active Grant
First Claim
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1. A midsole for an article of footwear, the midsole comprising:

  • a midsole body having a first side and a second side, which face away from one another, and a medial side and a lateral side;

    a plurality of sipes incised into the first side and extending at least partially through the midsole body; and

    a plurality of grooves constructed into an outermost surface of the second side, such that a portion of the outermost surface is omitted at all positions that coincide with the plurality of grooves,wherein a cross-sectional reference plane extends from the medial side to the lateral side and perpendicular with the first side and the second side, andwherein, in the cross-sectional reference plane, each sipe of the plurality of sipes comprises a sipe width and each groove of the plurality of grooves comprises, the groove width being that is greater than the sipe width when the midsole is in a relaxed state, and wherein the portion of the outermost surface that is omitted comprises a percentage of the outermost surface in a range of 20 percent to 50 percent.

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