Earplug

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Description

FIG. 1 is a perspective view of an earplug, showing my new design,

FIG. 2 is a first side elevation view thereof, the opposite side being a mirror image thereof;

FIG. 3 is a second side elevation view thereof, the opposite side being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines in FIGS. 1, 2, 3, 4, and 5 represent environmental matter and form no part of the claimed design. The surface shading is provided only to indicate contour.

Claims

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

Referenced Cited
U.S. Patent Documents
3005564 October 1961 Weichselbaum
D248873 August 8, 1978 Raitto
D254446 March 11, 1980 Raitto
D265129 June 22, 1982 Leight
D267512 January 4, 1983 Carlsson et al.
D269252 June 7, 1983 Balistreri
D274754 July 17, 1984 Chernack
D327647 July 7, 1992 Lemme
D354656 January 24, 1995 Strawbridge
D369655 May 7, 1996 Esler et al.
D375551 November 12, 1996 Esler et al.
D413379 August 31, 1999 Leight
D444141 June 26, 2001 Koss et al.
D466995 December 10, 2002 Knauer et al.
D478658 August 19, 2003 Falco
D521637 May 23, 2006 Yang
D577812 September 30, 2008 Zwart
D595268 June 30, 2009 Kolton
Foreign Patent Documents
18732 August 1952 CA
000568217 September 2006 EP
Patent History
Patent number: D616979
Type: Grant
Filed: May 27, 2009
Date of Patent: Jun 1, 2010
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Robert Nicolo Falco (Indianapolis, IN)
Primary Examiner: Elizabeth A Albert
Assistant Examiner: Kelley A Donnelly
Attorney: Karl G. Hanson
Application Number: 29/337,614
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)