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Publication numberUSD340317 S
Publication typeGrant
Application numberUS 07/711,669
Publication dateOct 12, 1993
Filing dateJun 6, 1991
Publication number07711669, 711669, US D340317 S, US D340317S, US-S-D340317, USD340317 S, USD340317S
InventorsHarry Cole
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Respiratory protection mask
US D340317 S
Abstract  available in
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  1. The ornamental design for a respiratory protection mask, as shown and described.

FIG. 1 is a front elevational view of a respiratory protection mask of my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a perspective view thereof shown in use; and,

FIG. 4 is a rear exploded perspective view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US9320866Oct 19, 2015Apr 26, 2016Fisher & Paykel Healthcare LimitedBreathing assistance apparatus
US9333315Sep 4, 2015May 10, 2016Fisher & Paykel Healthcare LimitedBreathing assistance apparatus
US9339622Jul 2, 2015May 17, 2016Fisher & Paykel Healthcare LimitedBreathing assistance apparatus
USD746437 *May 22, 2014Dec 29, 20153M Innovative Properties CompanyRespirator mask having a communication grille
U.S. ClassificationD24/110.1, D24/164