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FIG. 1 is a side elevation view of an earplug, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

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

FIG. 5 is a front elevation view thereof.


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

Referenced Cited
U.S. Patent Documents
D298356 November 1, 1988 Falco
4936411 June 26, 1990 Leonard
D413379 August 31, 1999 Leight
D478658 August 19, 2003 Falco
D492765 July 6, 2004 Falco
D492766 July 6, 2004 Falco
D493219 July 20, 2004 Falco
D494269 August 10, 2004 Fleming
D535644 January 23, 2007 Drambarean et al.
D560792 January 29, 2008 Miller
20060162992 July 27, 2006 Seville
Patent History
Patent number: D578638
Type: Grant
Filed: Jul 16, 2007
Date of Patent: Oct 14, 2008
Assignee: Cabot Safety Intermediate Corporation (Newark, DE)
Inventor: Robert Falco (Indianapolis, IN)
Primary Examiner: Ian Simmons
Assistant Examiner: Carissa C Fitts
Attorney: Cantor Colburn LLP
Application Number: 29/282,265
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)