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Publication numberUSD375551 S
Publication typeGrant
Application numberUS 29/021,414
Publication dateNov 12, 1996
Filing dateApr 15, 1994
Publication number021414, 29021414, US D375551 S, US D375551S, US-S-D375551, USD375551 S, USD375551S
InventorsJ. Scott Esler, Joseph A. Marino, R. William Vernazza
Original AssigneeCabot Safety Intermediate Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Hearing protective earplug
US D375551 S
Abstract  available in
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  1. The ornamental design of a hearing protective earplug, as shown and described.

FIG. 1 is a perspective view of a hearing protective earplug showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof, the back elevational view being a mirror image; and,

FIG. 5 is a right side elevational view thereof, the left side elevational view being a mirror image.

Non-Patent Citations
1Bilsom Perfit earplug, Lab Safety Catalog, (1993).
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6241042 *Mar 14, 2000Jun 5, 2001Cabot Safety Intermediate CorporationHearing protective device
US6695093Jan 13, 2000Feb 24, 2004Aearo CompanyEarplug
US8061472Jun 3, 2010Nov 22, 2011Sperian Hearing Protection, LlcNon-roll foam eartip
US8413663Feb 4, 2011Apr 9, 2013Moldex Metric, Inc.Push-in type of earplug with improved insertion stem
US8556024 *Aug 4, 2011Oct 15, 2013Swedsafe AbDevice for hearing protection
US20100307861 *Jun 3, 2010Dec 9, 2010Sperian Hearing Protection, LlcNon-roll foam eartip
U.S. ClassificationD24/106