Torsion system for an article of footwear

Details Torsion system for an article of footwear Torsion system for an article of footwear

2011-05-03

2011-05-03

Mohandesi, Jila M (Department: 3728)

Boots, shoes, and leggings

Boots and shoes

Occupational or athletic shoe

C036S015000, C036S031000, C036S135000, C074S594600

Reexamination Certificate

active

07934327

ABSTRACT:
An article of footwear includes a torsion system constructed of a material and configured to allow, in a pre-selected manner, rotation of a forefoot portion of the article of footwear relative to a rearfoot portion of the article of footwear about a longitudinal axis of the article while substantially precluding bending in an intermediate portion thereof.

REFERENCES:
patent: 3550597 (1970-12-01), Coplans
patent: 3903621 (1975-09-01), Dubner
patent: 4815222 (1989-03-01), Eisenbach et al.
patent: 4922631 (1990-05-01), Anderie
patent: 5179791 (1993-01-01), Lain
patent: 5446977 (1995-09-01), Nagano et al.
patent: 5915820 (1999-06-01), Kraeuter et al.
patent: 5924220 (1999-07-01), Ueda et al.
patent: 6009641 (2000-01-01), Ryan
patent: 6038790 (2000-03-01), Pyle et al.

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