Ear plug

The ornamental design for an ear plug, substantially as shown.

FIG. 1 is a perspective view of an ear plug showing my new design.

FIG. 2 is a side elevational view;

FIG. 3 is an end view, taken from the small end as seen in FIG. 2, and

FIG. 4 is an end view, taken from the large end as seen in FIG. 2.

Patent	Priority	Assignee	Title
4774938,	Apr 09 1987	SPERIAN HEARING PROTECTION, LLC DELAWARE LIMITED LIABILITY COMPANY	Slow recovery earplug with largely impenetrable surface
4902275,	Feb 17 1983	Fassbind & Fassbind	Cotton applicator
5044463,	Nov 30 1989	Cabot Safety Intermediate Corporation	Molded foam earplug and method for making same
D307325,	Nov 05 1987	Cabot Safety Intermediate Corporation	Earplug or similar article
D307635,	Nov 05 1987	Cabot Safety Intermediate Corporation	Earplug or similar article
D307636,	Nov 05 1987	Cabot Safety Intermediate Corporation	Earplug or similar article
D335342,	May 20 1991	SPERIAN HEARING PROTECTION, LLC DELAWARE LIMITED LIABILITY COMPANY	Earplug
D423664,	Jun 14 1996	3M Innovative Properties Company	Earplug
D512141,	Mar 04 2004	Moldex-Metric, Inc.; Moldex-Metric, Inc	Earplug
D529169,	Feb 26 2004	Moldex-Metric, Inc.; Moldex-Metric, Inc	Earplug
D718429,	Sep 10 2012	FLOMATIC CORPORATION	Poppet
D956204,	Jan 22 2021		Ear plug

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