| US 7,571,556 B2 | ||
| Heel grid system | ||
| Carl Hardy, Medfield, Mass. (US); and Christopher Mahoney, Westford, Mass. (US) | ||
| Assigned to Saucony, Inc., Lexington, Mass. (US) | ||
| Filed on May 17, 2006, as Appl. No. 11/435,668. | ||
| Application 11/435668 is a continuation in part of application No. 11/024079, filed on Dec. 28, 2004, granted, now 7,441,346. | ||
| Prior Publication US 2006/0277793 A1, Dec. 14, 2006 | ||
| Int. Cl. A43B 13/00 (2006.01) | ||
| U.S. Cl. 36—28 [36/37] | 19 Claims |
| 1. An athletic shoe construction comprising:
a grid system located in the heel portion, the grid system forming a lattice pattern designed to resiliently support a foot
and deflect downwardly upon foot imposed forces, wherein the grid system is constructed from a foamed compressible material;
a midsole defining an opening, the midsole arrayed about the periphery of the grid system and extending downwardly therefrom,
such that the grid system can deflect and compress into the opening formed by the midsole.
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