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Reexamination Certificate

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Reexamination Certificate

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07007517

ABSTRACT:
A knit sock useful for patients susceptible to foot problems resulting from diabetes or other conditions includes a leg section and a foot section. The leg section has sufficient expandability to be drawn over and cover at least a portion of a leg of a wearer. The foot section includes a heel section, a toe section, a sole section, and an instep section. The instep includes a ventilation panel and a flex zone, each having a different stitch construction. The ventilation panel allows air to pass through the sock and the flex zone prevents bunching or wrinkling of the material against the skin of the foot.

REFERENCES:
patent: 4057981 (1977-11-01), Runac
patent: 4255949 (1981-03-01), Thorneburg
patent: 4898007 (1990-02-01), Dahlgren
patent: D386608 (1997-11-01), Green
patent: 5724836 (1998-03-01), Green
patent: 6012177 (2000-01-01), Cortinovis
patent: 6308337 (2001-10-01), Penley
patent: 6550289 (2003-04-01), Higgins
patent: 6606750 (2003-08-01), Solwey
patent: 2003/0131635 (2003-07-01), Lynch et al.

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