Seamless upper for footwear and method for making the same

This invention describes a shoe upper that is made from a single piece of knitted fabric, without any seams. This seamless design creates a comfortable space for a foot. The claims specifically narrow this idea to uppers made using various knitting techniques and common fabric materials like polyester or cotton.

Why it matters: Since 2013, industrial knitting machinery has become significantly more advanced, enabling greater precision, multi-material integration, and complex 3D structures for seamless footwear uppers. This could make the production of such an article more efficient and versatile now.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedIndustrial knitting machinery, programming

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