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Publication numberUSD577812 S1
Publication typeGrant
Application numberUS 29/281,072
Publication dateSep 30, 2008
Filing dateJun 14, 2007
Priority dateJun 14, 2007
Publication number281072, 29281072, US D577812 S1, US D577812S1, US-S1-D577812, USD577812 S1, USD577812S1
InventorsKevin James Zwart
Original AssigneeCabot Safety Intermediate Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Earplug stem
US D577812 S1
Abstract  available in
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  1. I claim, the ornamental design for an earplug stem, as shown and described.

FIG. 1 is a perspective view of an earplug stem, showing my new design and including an insertable portion shown herein and throughout in broken lines for purposes of illustration and forming no part of the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a first side elevation view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a second side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8061472Jun 3, 2010Nov 22, 2011Sperian Hearing Protection, LlcNon-roll foam eartip
US20100307861 *Jun 3, 2010Dec 9, 2010Sperian Hearing Protection, LlcNon-roll foam eartip
U.S. ClassificationD24/106
Cooperative ClassificationA61F11/08
European ClassificationA61F11/08