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.:
Date of Patent:
May. 01, 2007
Filed:
Feb. 07, 2005
Joel L. Passke, Hillsboro, OR (US);
Frederick J. Dojan, Vancouver, WA (US);
K. Peter Hazenberg, Portland, OR (US);
John F. Swigart, Portland, OR (US);
Joel L. Passke, Hillsboro, OR (US);
Frederick J. Dojan, Vancouver, WA (US);
K. Peter Hazenberg, Portland, OR (US);
John F. Swigart, Portland, OR (US);
Nike, Inc., Beaverton, OR (US);
Abstract
An article of athletic footwear having an air-filled bladder disposed in a sole structure is disclosed. The air-filled bladder is in fluid communication with ambient air through a filter that permits ambient air to enter the bladder but restricts liquids and particulates from entering the bladder. In operation, the filter and bladder may be portions of a bladder system that absorb shock when the footwear contacts a playing surface. Alternatively, the filter and bladder may be portions of a bladder system that ventilates the interior of the footwear. The filter may be formed of a material such as expanded polytetrafluoroethylene that is attached to a carrier.