Heel insert

Details Heel insert Heel insert

2007-10-23

2007-10-23

Kavanaugh, Ted (Department: 3728)

Boots, shoes, and leggings

Insoles

Laminated

C036S028000, C036S03000A

Reexamination Certificate

active

10912804

ABSTRACT:
A removable insole for insertion into footwear, includes a forefoot portion, a heel portion, and an arch portion connecting together the forefoot and heel portions. At least one of the forefoot portion, heel portion and arch portion is formed by a lower layer of a resilient material which provides a cushioning function, and an upper layer positioned and secured on top of the lower layer and formed of a material having a Shore “000” hardness of less than about 45, and a tear strength greater than about 6.3 lb/in.

REFERENCES:
patent: 4627179 (1986-12-01), McElroy
patent: 4910886 (1990-03-01), Sullivan et al.
patent: 6286232 (2001-09-01), Snyder et al.
patent: 6481120 (2002-11-01), Xia et al.
patent: 2002/0050080 (2002-05-01), Vasyli
patent: 2004/0025376 (2004-02-01), Grisoni et al.
patent: 2006/0026866 (2006-02-01), Avent et al.
patent: 1623642 (2006-02-01), None

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