Flexible footwear sole

Boots – shoes – and leggings – Orthopedic boot or shoe with corrective element – With means to turn foot about its long axis

Reexamination Certificate

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Reexamination Certificate

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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.

REFERENCES:
patent: 2847769 (1958-08-01), Schlesinger
patent: 4266553 (1981-05-01), Faiella
patent: 4682425 (1987-07-01), Simmons
patent: 4979318 (1990-12-01), Cohen
patent: 5036604 (1991-08-01), Rosen
patent: 5586398 (1996-12-01), Carlson
patent: 6226901 (2001-05-01), Rosen
patent: 6286232 (2001-09-01), Snyder et al.
patent: 6360453 (2002-03-01), Ellis, III
patent: 6604301 (2003-08-01), Manoli, II et al.
patent: 2002/0139011 (2002-10-01), Kerrigan
patent: 2004/0040181 (2004-03-01), Kim
patent: 2005/0166423 (2005-08-01), Norton

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