The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7426793 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 23, 2008

Filed:

Jan. 21, 2005
Applicant:

Nathan Crary, Portland, OR (US);

Inventor:

Nathan Crary, Portland, OR (US);

Assignee:

LL International Shoe Co., Inc., Los Angeles, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A43B 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A combination shock absorbing and ventilating apparatus for a foot bed of a shoe, comprises an air chamber having at least one flexible wall located in the foot bed of the shoe, an air intake to the air chamber, an air outlet from the air chamber, a one-way valve on at least one of the air intake or the outlet, at least one of the intake or outlet being connected to the foot bed of the shoe and operative to circulate air with the foot bed, at least one resilient member within the chamber operative to re-inflate the air chamber, and a turbine on a sidewall of the shoe, the turbine having a wheel, one of the air inlet or the air outlet being connected to the turbine for directing air flow to spin the wheel.


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