Earplug

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

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

FIG. 2 is a side elevational view thereof, all other side views being mirror images thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
4314553 February 9, 1982 Westerdal
D298356 November 1, 1988 Falco
4867149 September 19, 1989 Falco
5819745 October 13, 1998 Mobley et al.
D402752 December 15, 1998 Falco
5988313 November 23, 1999 Håkansson
D427304 June 27, 2000 Magidson et al.
D436164 January 9, 2001 Foslien
6286622 September 11, 2001 Tiemann
D472627 April 1, 2003 Falco
6568394 May 27, 2003 Falco
D492765 July 6, 2004 Falco
D492766 July 6, 2004 Falco
D493219 July 20, 2004 Falco
D494269 August 10, 2004 Fleming
7314047 January 1, 2008 Falco
D578638 October 14, 2008 Falco
7537011 May 26, 2009 Falco
7697706 April 13, 2010 Doty
7743771 June 29, 2010 Falco
20040069310 April 15, 2004 Falco
Patent History
Patent number: D651302
Type: Grant
Filed: Jan 18, 2002
Date of Patent: Dec 27, 2011
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Robert Falco (Indianapolis, IN)
Primary Examiner: Wan Laymon
Attorney: Eric D. Levinson
Application Number: 29/154,252
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)