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. 04, 2001
Filed:
Oct. 15, 1999
Applicant:
Inventors:
David S. Krafsur, Lenoir City, TN (US);
Francis E. LeVert, Knoxville, TN (US);
Assignee:
Shoe Spring, Inc., Lenoir City, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A43B 1/328 ;
U.S. Cl.
CPC ...
A43B 1/328 ;
Abstract
A spring cushioned shoe is disclosed. The shoe includes a sole assembly that has a first spring disposed within a vacuity in the heel portion of the assembly, and a second spring disposed within a vacuity in the ball portion of the assembly. The springs are, e.g., wave springs that extend vertically from the upper to the lower internal boundaries of the vacuities.