Respiratory mask

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Description

FIG. 1 is a perspective view of a respiratory mask showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side view, the left side view being a mirror image thereof.

The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design.

Claims

The ornamental design for a respiratory mask, as shown and described.

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Patent History
Patent number: D708734
Type: Grant
Filed: May 3, 2007
Date of Patent: Jul 8, 2014
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Desmond T. Curran (Durham), John M. Facer (Langley Park), Christopher P. Henderson (High Shincliffe), Audra A. Wilson (Gateshead)
Primary Examiner: Ian Simmons
Assistant Examiner: Charles Hanson
Application Number: 29/279,565
Classifications
Current U.S. Class: Mask (D24/110.1)