Earplug

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Description

FIG. 1 is a perspective view, showing the new design for an ear plug.

FIG. 2 is a top view thereof.

FIG. 3 is a side view thereof. All other side views look the same as FIG. 3; and,

FIG. 4 is a bottom view thereof.

The shading shown in the drawings is provided merely to illustrate contour; it is not indicative of texture, etc.

Claims

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

Referenced Cited
U.S. Patent Documents
D242743 December 14, 1976 Leight
D340282 October 12, 1993 Leight
D358463 May 16, 1995 Falco
D371193 June 25, 1996 Myers et al.
2446707 August 1948 Leight
2487038 November 1949 Baum
2538339 January 1951 Thomas
2804072 August 1957 Genzer
3811437 May 1974 Gardner
4094315 June 13, 1978 Leight
4490857 January 1, 1985 Leight et al.
4671265 June 9, 1987 Andersson
4819624 April 11, 1989 Leight et al.
5044463 September 3, 1991 Carr
5701348 December 23, 1997 Shennib et al.
5781272 July 14, 1998 Bright et al.
5811742 September 22, 1998 Leight
6129175 October 10, 2000 Tutor et al.
Foreign Patent Documents
10314213 February 1998 JP
Other references
  • U.S. application No. 09/608,911 to Remer et al. filed Jun. 30, 2000, for Articulating Earplug.
  • U.S. Design application No. 29/132,307 to Remer et al. filed Nov. 6, 2000, for Earplug.
Patent History
Patent number: D445893
Type: Grant
Filed: Nov 6, 2000
Date of Patent: Jul 31, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Dean M. Remer (Woodbury, MN), Paul A. Martinson (Maplewood, MN)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firm: Michaele A. Hakamaki
Application Number: 29/132,306
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)
International Classification: 2404;