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The ornamental design for a tread for walker, as shown and described. |
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.
Patent | Priority | Assignee | Title |
ER2426, |
Patent | Priority | Assignee | Title |
2996752, | |||
3039828, | |||
3348518, | |||
4327462, | Oct 06 1980 | SHEPHERD CASTER CORPORATION | Multi-wheel bed roller |
4957332, | May 05 1988 | National Research Council of Canada | Track wheel |
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