Respirator mask having a circular button

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Description

FIG. 1 is a perspective view showing the new design for a respirator mask having a circular button.

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof, the left side being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in the drawings illustrate portions of the respirator mask having a circular button which form no part of the claimed design.

Claims

The ornamental design for a respirator mask having a circular button, as shown and described.

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Other references
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  • 3M™ Full Facepiece Reusable Respirator 6800 information obtained from the internet on Mar. 18, 2014: http://solutions.3m.com/wps/portal/3M/en—US/3M-PPE-Safety-Solutions/Personal-Protective-Equipment/Products/Product-Catalog/?N+32 4294930437+5011378&Nr=AND(hrcy—id%3AGST29W6QVWgs—TC2BMJQKFQ—N2RL3FHWVK—GPD0K8BC31gv)&rt=d.
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  • Scott Excel™ Half-Facepiece information obtained from the internet on Mar. 18, 2014: https://www.scottsafety.com/en/us/DocumentandMedia1/xcelbro—6301—0201.pdf.
  • Shigematsu Gas Respirators information, pp. 11-16, obtained from Shigematsu's website on Mar. 17, 2014: http://www.sts-japan.com/english/product—catalog.html.
  • Survivair Blue 1 respirator information obtained from the internet on Mar. 17, 2014, http://www.honeywellsafety.com/Products/Respiratory—Protection/Survivair—Blue—1—(NIOSH).aspx?site=/usa.
  • Survivair/Willson Premier Plus Respirator information obtained from the internet on Mar. 18, 2014: http://store.parkersafetyinc.com/servlet/Detail?no=75.
Patent History
Patent number: D744088
Type: Grant
Filed: May 22, 2014
Date of Patent: Nov 24, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: David M. Blomberg (Lino Lakes, MN), Kent E. Lageson (Prior Lake, MN), William A. Mittelstadt (Woodbury, MN), Carl W. Raines, III (Woodbury, MN), Charlie Wood (Minneapolis, MN)
Primary Examiner: Deanna L Pratt
Assistant Examiner: Lilyana Bekic
Application Number: 29/491,539
Classifications
Current U.S. Class: Mask (D24/110.1)