Footwear with enhanced cushioning

Details Footwear with enhanced cushioning Footwear with enhanced cushioning

2004-10-12

2008-11-04

Mohandesi, Jila M (Department: 3728)

Boots, shoes, and leggings

Soles

Cushion

C036S03000A, C036S044000

Reexamination Certificate

active

07444766

ABSTRACT:
Footwear includes an insole of low density polyurethane and an integral border for attaching the insole to the upper and having an integral support surface for attaching a steel shank. The footwear includes the insole and two contiguous cushioning layers.

REFERENCES:
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patent: 2809450 (1957-10-01), Stritler
patent: 3601908 (1971-08-01), Gilkerson
patent: 4654983 (1987-04-01), Graham et al.
patent: 4783910 (1988-11-01), Boys et al.
patent: 5105564 (1992-04-01), Motoda
patent: 6321464 (2001-11-01), Oberg et al.
patent: 6574886 (2003-06-01), Issler
patent: 2003/0101620 (2003-06-01), Reed et al.
patent: 2004/0250446 (2004-12-01), Greene et al.
patent: 2006/0005428 (2006-01-01), Lebo

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