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
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
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