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Publication numberUSD577816 S1
Publication typeGrant
Application numberUS 29/258,048
Publication dateSep 30, 2008
Filing dateApr 13, 2006
Priority dateApr 13, 2006
Publication number258048, 29258048, US D577816 S1, US D577816S1, US-S1-D577816, USD577816 S1, USD577816S1
InventorsWilliam D Ungar
Original AssigneeMoldex-Metric, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Pre-filter lid for use with a filter respirator mask
US D577816 S1
Abstract  available in
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  1. The ornamental design for a pre-filter lid for use with a filter respirator mask, as shown and described.

FIG. 1 is a front perspective view of a pre-filter lid for use with a filter respirator mask in accordance with my new design,

FIG. 2 is a front view thereof,

FIG. 3 is a back view thereof,

FIG. 4 is a left side elevational view thereof,

FIG. 5 is a right side elevational view thereof,

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US9642403Mar 7, 2008May 9, 2017Kimberly-Clark Worldwide, Inc.Strap fastening system for a disposable respirator providing improved donning
US20080110465 *Jun 8, 2007May 15, 2008Welchel Debra NRespirator with exhalation vents
USD744654 *Oct 23, 2013Dec 1, 2015Louis M. Gerson Co., Inc.Low profile filter
USD746439Dec 30, 2013Dec 29, 2015Kimberly-Clark Worldwide, Inc.Combination valve and buckle set for disposable respirators
U.S. ClassificationD24/110.1