Flexible footwear sole

Details Flexible footwear sole Flexible footwear sole

2008-04-22

2008-04-22

Kavanaugh, Ted (Department: 3728)

Boots, shoes, and leggings

Orthopedic boot or shoe with corrective element

With means to turn foot about its long axis

Reexamination Certificate

active

11198122

ABSTRACT:
An item of footwear for a wearer, the item of footwear comprising a flexible sole structure that comprises a heel segment having horizontal upper and lower surfaces combined with other sole segments having arch (instep) and toe upper surfaces that are horizontal when unloaded, but that assume a negative upper surface slope when loaded, and with arch and toe lower surfaces that have a negative lower surface slope with unloaded, but that assume a horizontal position when loaded. In use, the item of footwear is operative to reduce the likelihood that a wearer having one of a variety of anatomical leg forms would fall outwardly (laterally) from his or her vertical plane.

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patent: 2004/0040181 (2004-03-01), Kim
patent: 2005/0166423 (2005-08-01), Norton

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