Sole ventilation system

Boots – shoes – and leggings – Boots and shoes – Ventilated

Reexamination Certificate

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Details

C036S029000

Reexamination Certificate

active

07818896

ABSTRACT:
A sole includes a base having a first gasbag and a second gasbag respectively received therein. The first gasbag and the second gasbag communicate with each other by multiple windpipes. Multiple through holes are respectively and laterally defined in two opposite walls of the base and respectively communicating with the first cavity and the second cavity. Each through hole has a check valve mounted therein. A first airtight cover is mounted to the first gasbag for closing the first gasbag and a second airtight cover is mounted to the second gasbag for closing the second gasbag. The first airtight cover has a blowing hole defined therein and communicates with the first gasbag. The second airtight cover has multiple blowing holes defined therein and communicating with the second gasbag. A ventilative insole connected to the first airtight cover.

REFERENCES:
patent: 5477626 (1995-12-01), Kwon
patent: 7395615 (2008-07-01), Lee
patent: 7681329 (2010-03-01), Fu
patent: 2005/0178023 (2005-08-01), Hammonds
patent: 2007/0209233 (2007-09-01), Kim et al.
patent: 2008/0229623 (2008-09-01), Ferretti
patent: 2009/0151203 (2009-06-01), Boyer et al.
patent: 2009/0282704 (2009-11-01), Park
patent: 2010/0132228 (2010-06-01), Polegato Moretti

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