Patent
   D591416
Priority
May 30 2008
Filed
May 30 2008
Issued
Apr 28 2009
Expiry
Apr 28 2023
Assg.orig
Entity
unknown
2
10
n/a
The ornamental design for a sparkplug-shaped ear plug, as shown and described.

FIG. 1 is a front perspective view of an ear plug, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a left side elevational view thereof, whereas the right side elevational view is a mirror image.

The broken lines shown in the FIGS. 1 and 4 drawings of the hole are for illustrative purposes only and form no part of the claimed design.

Randle, Robert J., Prowizor, Randal D.

Patent Priority Assignee Title
D608441, Jul 06 2009 Nose filter
D788906, May 13 1920 Ear Labs AB Ear plug for swimmers
Patent Priority Assignee Title
3259128,
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5809574, Aug 15 1996 3M Innovative Properties Company Hearing protection device
5904143, Oct 21 1996 MOLDEX-METRIC, INC , A CALIFORNIA CORPORATION Foam earplug with non-permeable elastomeric coating
6129175, May 07 1999 Radians, Inc.; RADIANS, INC , A CORP OF TENNESSEE Acoustical control plastisol earpieces
7107993, Nov 12 2004 Moldex-Metric, Inc. Earplug
7264081, Jun 10 2005 UVEX ARBEITSSCHUTZ GMBH Hearing protection earplug
7464786, Jun 11 2004 3M Innovative Properties Company High sound attenuating hearing protection device
D242743, Aug 28 1975 Ear plug
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