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:
Sep. 06, 2005
Filed:
Apr. 21, 2003
Applicants:
Richard A. Mckinney, Clarksville, VA (US);
Barbara J. Mckinney, Clarksvile, VA (US);
David P. Colvin, Cary, NC (US);
Inventors:
Richard A. McKinney, Clarksville, VA (US);
Barbara J. McKinney, Clarksvile, VA (US);
David P. Colvin, Cary, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C020/02 ;
U.S. Cl.
CPC ...
Abstract
Impact energy forces to the spine are reduced through the use of multiple overlying pliable impact energy absorbing layers. Each layer comprises a plurality of cells that are in fluid communication which provides for a valved transfer of fluid between the cells. Additionally, each layer has a different durometer.