{"number":"US12696954B2","kindCode":"B2","documentType":"grant","title":{"original":"Article of footwear with midsole having variable stiffness","english":"Article of footwear with midsole having variable stiffness"},"abstract":{"original":"An article of footwear comprising an upper and a sole assembly connected to the upper. The sole assembly may comprise a midsole with a variable stiffness that provides different stiffness gradients in different regions of the sole assembly. The midsole may comprise a core piece and a perimeter piece surrounding the core piece. The perimeter piece may include a recess for receiving the core piece. In some cases, the recess may not or need not extend into a medial midfoot region of the midsole.","english":"An article of footwear comprising an upper and a sole assembly connected to the upper. The sole assembly may comprise a midsole with a variable stiffness that provides different stiffness gradients in different regions of the sole assembly. The midsole may comprise a core piece and a perimeter piece surrounding the core piece. The perimeter piece may include a recess for receiving the core piece. In some cases, the recess may not or need not extend into a medial midfoot region of the midsole."},"applicants":["Acushnet Company"],"inventors":["John F. Swigart","Robert S. Bento"],"filingDate":"2024-07-31","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12696954B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12696954B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12696954B2","ja":"https://downloadpatent.com/ja/patent/US12696954B2"}}