Ventillating structure for footwear

Details Ventillating structure for footwear Ventillating structure for footwear

2005-10-11

2008-03-11

Patterson, Marie (Department: 3728)

Boots, shoes, and leggings

Boots and shoes

Ventilated

C036S00300B, C036S029000

Reexamination Certificate

active

07340850

ABSTRACT:
A ventilating structure for a shoe is provided, which contains a duct member containing a number of air ducts communicating with a plurality of through holes at the sole's rim, a first pad member having a plurality of through holes on top of the duct member, a semi-spherical bubble member fixedly attached to the top of the first pad member covering at least a through hole of the first pad member directly above an air duct of the duct member, and a second pad member on top of the first pad member having a number of through holes and a bulged section accommodating the bubble member. As a user walks on a shoe of the invention, the bubble member, like a pump, undergoes intermittent compressions and releases by the user's foot, causing warm and humid air to be expelled out or fresh air to be drawn inside of the shoe quickly and periodically.

REFERENCES:
patent: 568068 (1896-06-01), Hilgert
patent: 1010002 (1911-11-01), Steen
patent: 1809323 (1931-06-01), Wiliams, Sr.
patent: 2003646 (1935-06-01), De Blasio
patent: 3331146 (1967-07-01), Elias
patent: 5299368 (1994-04-01), Liu
patent: 5701687 (1997-12-01), Schmidt et al.
patent: 6477792 (2002-11-01), Sartor
patent: 6581303 (2003-06-01), Tuan
patent: 6948260 (2005-09-01), Lin et al.
patent: 2001/0016991 (2001-08-01), Sartor

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