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Publication numberUSD528204 S1
Publication typeGrant
Application numberUS 29/251,771
Publication dateSep 12, 2006
Filing dateJan 12, 2006
Priority dateApr 23, 2004
Also published asUSD524937
Publication number251771, 29251771, US D528204 S1, US D528204S1, US-S1-D528204, USD528204 S1, USD528204S1
InventorsMarc Doty, Richard Knauer
Original AssigneeCabot Safety Intermediate Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Hearing protection device
US D528204 S1
Abstract  available in
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  1. The ornamental design for a hearing protection device, as shown and described.

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.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8061472Jun 3, 2010Nov 22, 2011Sperian Hearing Protection, LlcNon-roll foam eartip
U.S. ClassificationD24/106
Cooperative ClassificationA61F11/08
European ClassificationA61F11/08