Hearing protection device

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Description

FIG. 1 is perspective view of a hearing protection device showing our new design;

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

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

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

FIG. 5 is a bottom plan view thereof.

Claims

The ornamental design for a hearing protection device, as shown and described.

Referenced Cited
U.S. Patent Documents
D242743 December 14, 1976 Leight
4314553 February 9, 1982 Westerdal
D466995 December 10, 2002 Knauer et al.
D478658 August 19, 2003 Falco
D496722 September 28, 2004 Falco et al.
Patent History
Patent number: D528204
Type: Grant
Filed: Jan 12, 2006
Date of Patent: Sep 12, 2006
Assignee: Cabot Safety Intermediate Corporation (Newark, DE)
Inventors: Marc Doty (Brownsburg, IN), Richard Knauer (Carmel, IN)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Cantor Colburn LLP
Application Number: 29/251,771
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)