Breathing tube connection for respiratory protection system

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Description

FIG. 1 is a perspective view of a breathing tube connection for respiratory protection system showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side view being a mirror image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines form no part of the claimed design.

Claims

The ornamental design for a breathing tube connection for respiratory protection system, as shown and described.

Referenced Cited
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Patent History
Patent number: D590548
Type: Grant
Filed: Apr 3, 2008
Date of Patent: Apr 14, 2009
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Benjamin A. Johnson (Woodbury, MN), Sean R. Kilmer (Lino Lakes, MN), Bruce E. Nelson (Oakdale, MN), Steven W. Stavos (Blaine, MN), James M. Ulwelling (Eau Claire, WI)
Primary Examiner: Ruth McInroy
Attorney: Anna A. Wetzels
Application Number: 29/306,139
Classifications
Current U.S. Class: Element Or Attachment (D29/122)