Tread for walker

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Description

FIG. 1 is a perspective view of a tread for walker showing my new design;

FIG. 2 is a perspective view showing external features thereof;

FIG. 3 is a front view thereof; and the rear view is a mirror image thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a left view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of a series of wheels in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
2996752 August 1961 Pope
3039828 June 1962 Johnston
3348518 October 1967 Forsyth et al.
4327462 May 4, 1982 Eggleston
4957332 September 18, 1990 Batelaan
Patent History
Patent number: D389100
Type: Grant
Filed: Jul 9, 1996
Date of Patent: Jan 13, 1998
Inventor: Jim Szymanski (Carson City, NV)
Primary Examiner: Kay H. Chin
Attorney: Harold H. Dutton, Jr.
Application Number: 0/56,830
Classifications
Current U.S. Class: Element Or Attachment (D12/133); Element Or Attachment (D34/27)
International Classification: 1212;