Shoe with cushion and ventilation device

Details Shoe with cushion and ventilation device Shoe with cushion and ventilation device

2006-04-27

2009-02-24

Patterson, Marie (Department: 3728)

Boots, shoes, and leggings

Boots and shoes

Ventilated

C036S00300B

Reexamination Certificate

active

07493706

ABSTRACT:
Provided is a shoe with a cushion and ventilation device. The cushion and ventilation device includes an air pump having an air discharge tube provided at its one side, and an air tube having a connection pipe connecting to the air discharge tube of the air pump, and an air chamber, wherein the air pump is provided by placing an upper sheet having a cavity on a lower sheet having an intake hole, and thermally bonding circumference surfaces of the upper and lower sheets using microwave, and wherein the upper and lower sheets further comprise a sponge having contraction and restoring forces therein.

REFERENCES:
patent: 5372487 (1994-12-01), Pekar
patent: 5975861 (1999-11-01), Shin et al.
patent: 7152339 (2006-12-01), Lo
patent: 7171765 (2007-02-01), Lo
patent: 7254903 (2007-08-01), Cho et al.
patent: 7331121 (2008-02-01), Lo
patent: 2004/0010939 (2004-01-01), Liu et al.
patent: 2005/0198862 (2005-09-01), Lo
patent: 2005/0229432 (2005-10-01), Lo
patent: 2006/0032089 (2006-02-01), Lo
patent: 2006/0156575 (2006-07-01), Lo

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