Resilient, all-surface soles for footwear

Details Resilient, all-surface soles for footwear Resilient, all-surface soles for footwear

2005-07-12

2005-07-12

Patterson, Marie (Department: 3728)

Boots, shoes, and leggings

Antislipping devices

String type

C036S061000, C036S06700D, C036S05900D

Reexamination Certificate

active

06915595

ABSTRACT:
A resilient shoe sole having a less resilient outer layer and a more resilient inner layer, and retractable studs anchored in the inner, more resilient layer. The bottom surface of the sole has annular grooves formed around the tip portions of the studs to permit those portions to flex when pressure is applied to the bottom surface, as during walking on a hard surface.

REFERENCES:
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patent: 3747238 (1973-07-01), Jankauskas
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patent: 4466205 (1984-08-01), Corbari
patent: 4747220 (1988-05-01), Autry et al.
patent: 5634283 (1997-06-01), Kastner
patent: 5768802 (1998-06-01), Bramani
patent: 6029377 (2000-02-01), Niikura et al.
patent: 6082024 (2000-07-01), Del Biondi
patent: 6698110 (2004-03-01), Robbins

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