Tread surface and periphery of a footwear unit sole

Description

FIG. 1 is a bottom plan view of a tread surface and periphery of a footwear unit sole showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a front edge elevational view;

FIG. 5 is a rear edge elevational view; and

FIG. 6 is a fragmentary cross-sectional view taken along line 6--6 in FIG. 1.

Referenced Cited
U.S. Patent Documents
D115636 July 1939 Sperry
D259823 July 14, 1981 Greenlee
D301800 June 27, 1989 Mitsui
D306651 March 20, 1990 Chang
Patent History
Patent number: D318169
Type: Grant
Filed: Nov 18, 1988
Date of Patent: Jul 16, 1991
Assignee: Quabuag Corporation (North Brookfield, MA)
Inventor: Arnold S. Austin (East Brookfield, MA)
Primary Examiner: Louis S. Zarfas
Law Firm: Samuels, Gauthier & Stevens
Application Number: 7/273,318
Classifications
Current U.S. Class: D/2320