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:
Apr. 10, 2007
Filed:
Jul. 23, 2003
Applicants:
Sanjay Kotha, Falls Church, VA (US);
Tirumalai S. Sudarshan, Vienna, VA (US);
Inventors:
Sanjay Kotha, Falls Church, VA (US);
Tirumalai S. Sudarshan, Vienna, VA (US);
Assignee:
Materials Modification, Inc., Fairfax, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A43B 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cushioning device for a footwear or shoe includes a chamber with a magnetically responsive fluid therein for absorbing and/or dampening vibrations and/or shocks. A magnetic member, such as an electromagnet, is provided for applying a magnetic field to the magnetic fluid to thereby vary the viscosity thereof.