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Publication numberUSD375550 S
Publication typeGrant
Application numberUS 29/021,406
Publication dateNov 12, 1996
Filing dateApr 15, 1994
Publication number021406, 29021406, US D375550 S, US D375550S, US-S-D375550, USD375550 S, USD375550S
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 D375550 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 back elevational view thereof;

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

FIG. 6 is a front elevational view thereof.

Non-Patent Citations
1Bilsom PERFIT Earplug, Lab Safety Supply Catalog (1993).
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
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
U.S. ClassificationD24/106