Earplug

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Description

FIG. 1 illustrates an isometric view of the design for the earplug.

FIG. 2 illustrates a side view thereof, all other side views displaying the same image thereof.

FIG. 3 illustrates a bottom view thereof; and,

FIG. 4 illustrates a top view thereof.

The broken lines shown in the drawing are only provided to illustrate the environment of the design.

Claims

The ornamental design for an earplug, as shown and described.

Referenced Cited
U.S. Patent Documents
RE28560 September 1975 Fling
D195322 May 1963 Hill
D239416 March 1976 Visor
D253723 December 18, 1979 Leight
D298356 November 1, 1988 Falco
2246737 June 1941 Knudsen
2393005 January 1946 Veneklasen
2427664 September 1947 Dunbar et al.
2487038 November 1949 Baum
2538339 January 1951 Thomas
2619960 December 1952 Reynolds
2670738 March 1954 Gibbons
3097643 July 1963 Santi
3259128 July 1966 Leight
3415246 December 1968 Hill
3800791 April 1974 Visor
4034749 July 12, 1977 Von Kesseru et al.
4219018 August 26, 1980 Draper
4314553 February 9, 1982 Westerdal
4353364 October 12, 1982 Woods
4540063 September 10, 1985 Ochi et al.
4867149 September 19, 1989 Falco
4936411 June 26, 1990 Leonard
5249309 October 5, 1993 Berg
5727566 March 17, 1998 Leight
5819745 October 13, 1998 Mobley et al.
5957136 September 28, 1999 Magidson et al.
6021526 February 8, 2000 Falco et al.
6056082 May 2, 2000 Lindgren et al.
Foreign Patent Documents
578485 June 1959 CA
0 244 979 B1 September 1990 EP
Patent History
Patent number: D436164
Type: Grant
Filed: Sep 17, 1999
Date of Patent: Jan 9, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Floyd L. Foslien (Hudson, WI)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firm: Karl G. Hanson
Application Number: 29/110,963
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)
International Classification: 2402;