Earplug

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Description

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

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

FIG. 3 is another side elevational view thereof, the opposite side being a mirror image thereof;

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

FIG. 5 is a top plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D303014 August 22, 1989 Gardner, Jr. et al.
D307325 April 17, 1990 Gardner, Jr.
D307636 May 1, 1990 Gardner, Jr.
D358463 May 16, 1995 Falco
D371193 June 25, 1996 Myers et al.
D405173 February 2, 1999 Falco
D423664 April 25, 2000 Falco
D437048 January 30, 2001 Hirshfeld
Patent History
Patent number: D492768
Type: Grant
Filed: Jun 5, 2003
Date of Patent: Jul 6, 2004
Assignee: Cabot Safety Intermediate Corporation (Newark, DE)
Inventors: Richard Knauer (Carmel, IN), Walter B. Herbst (Lake Forest, IL), Marianne B. Grisdale (Chicago, IL), Gary F. Prokop (Wheaton, IL)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firm: Cantor Colburn LLP
Application Number: 29/183,155
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)
International Classification: 2404;