Earplug stem

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Description

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.

Claims

I claim, the ornamental design for an earplug stem, as shown and described.

Referenced Cited
U.S. Patent Documents
3983336 September 28, 1976 Malek et al.
5247946 September 28, 1993 Holder
D402661 December 15, 1998 Hayashi
D413379 August 31, 1999 Leight
D437048 January 30, 2001 Hirshfeld
D452909 January 8, 2002 Saulce
D492991 July 13, 2004 Chiang
Patent History
Patent number: D577812
Type: Grant
Filed: Jun 14, 2007
Date of Patent: Sep 30, 2008
Assignee: Cabot Safety Intermediate Corporation (Newark, DE)
Inventor: Kevin James Zwart (Woodridge, IL)
Primary Examiner: Ian Simmons
Assistant Examiner: Carissa C Fitts
Attorney: Cantor Colburn LLP
Application Number: 29/281,072
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)