Walking cane

The ornamental design for a walking cane, as shown and described.

FIG. 1 is a front perspective view of a walking cane showing my new design;

FIG. 2 is a rear perspective view;

FIG. 3 is a top plan view on an enlarged scale; and

FIG. 4 is a bottom plan view thereof.

Patent	Priority	Assignee	Title
6772778,	Oct 01 2002	Rik M., Morosini	Hiking stick and method of using the same
7992583,	Sep 22 2004	Inventive Solutions LLC	Reconfigurable, modular, two-in-one walking support system
D324945,	Oct 04 1990		Multifunction walking cane
D421999,	Mar 12 1999		Shell collection and examination device
D654914,	Jul 27 2010		Cell phone case
D771895,	Oct 09 2015		Carry assist device

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