Boots – shoes – and leggings – Boots and shoes – Ventilated
Reexamination Certificate
2007-09-29
2010-10-26
Kavanaugh, Ted (Department: 3728)
Boots, shoes, and leggings
Boots and shoes
Ventilated
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.
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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
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patent: 2009/0282704 (2009-11-01), Park
patent: 2010/0132228 (2010-06-01), Polegato Moretti
Chang Chao Hsin
Hsieh Kan-zen
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