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Publication numberUSD301774 S
Publication typeGrant
Application numberUS 07/051,124
Publication dateJun 20, 1989
Filing dateMay 18, 1987
Publication number051124, 07051124, US D301774 S, US D301774S, US-S-D301774, USD301774 S, USD301774S
InventorsKevin A. Rudolph, Donald C. Zavala
Original AssigneeHans Rudolph, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Respiratory mask
US D301774 S
Abstract  available in
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  1. The ornamental design for a respiratory mask, as shown and described.

FIG. 1 is a perspective view of a respiratory mask showing our new design, the broken lines of values and straps are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof, the bottom plan view being a mirror image of that shown; and

FIG. 5 is a rear elevational view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6955650May 31, 2002Oct 18, 2005Healthetech, Inc.Metabolic calorimeter employing respiratory gas analysis
US8136523Jan 18, 2008Mar 20, 2012Hans Rudolph, Inc.Ventilation mask with continuous seal connected by resilient cushion
U.S. ClassificationD24/110.4