Insole with ventilation

Details Insole with ventilation Insole with ventilation

2007-05-31

2010-02-09

Kavanaugh, Ted (Department: 3728)

Boots, shoes, and leggings

Insoles

C036S00300B

Reexamination Certificate

active

07658018

ABSTRACT:
The insole has a number of flexible bulges on a first major surface, and a number of protruding ribs on a second major surface. The projections of the bulges fall within the regions bounded by the ribs. The bulges and their underlying bounding ribs therefore form a number of chambers. The insole further contains a number of through holes positioned between the ends of at least two ribs. The insole further contains a larger heel bulge provided on the first major surface in the heel section, and a concave on the second major surface, which is conducted to the other chambers via at least a duct.

REFERENCES:
patent: 3624930 (1971-12-01), Johnson et al.
patent: 6199304 (2001-03-01), Ludemann
patent: 6318002 (2001-11-01), Ou
patent: 6425194 (2002-07-01), Brie
patent: 6681501 (2004-01-01), Polifroni
patent: 7434338 (2008-10-01), Pfander
patent: 2009/0056171 (2009-03-01), Lin

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