AN INSOLE OR UPPER FOR FOOTWEAR
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United States of America Patent
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Issued Date -
Aug 20, 2020
app pub date -
Jan 3, 2017
filing date -
Jan 4, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to an insole including a lower layer, an upper layer and an intermediate layer arranged between the lower layer and the upper layer. The lower layer or base of the insole is a supporting layer designed to be placed, in use conditions of the insole, above a sole of an item of footwear. The upper layer is designed to be placed, in use conditions of the insole, in contact with a foot, with or without a sock, of a user. The intermediate layer includes natural feathers distributed uniformly and treated so as not to allow displacement thereof along the intermediate layer. The disclosure further relates to an upper of an item of footwear.
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