Respirator belt having flexible air channels

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Description

FIG. 1 is a front perspective view showing the new design for a respirator belt having flexible air channels;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left view thereof; and,

FIG. 7 is a right view thereof.

The broken line showing of portions of the article is included for the purpose of illustrating environmental structure and forms no part of the claimed design.

The shading is provided to illustrate contour only and is not an indication of surface texture.

Claims

The ornamental design for a respirator belt having flexible air channels, as shown and described.

Referenced Cited
U.S. Patent Documents
1173998 February 1916 Depew
D186758 December 1959 Mayer
D193969 November 1962 Lawson
4899740 February 13, 1990 Napolitano
5226874 July 13, 1993 Heinz et al.
5450858 September 19, 1995 Zablotsky et al.
5833095 November 10, 1998 Russell
6038747 March 21, 2000 Hamilton
6206257 March 27, 2001 Peele
6401715 June 11, 2002 Luthe
6405910 June 18, 2002 Infanti
6405911 June 18, 2002 Howard
D496143 September 21, 2004 Noell et al.
D504992 May 17, 2005 Taylor
D507692 July 26, 2005 Newman
D555328 November 20, 2007 Gilbert-Biro et al.
D557878 December 25, 2007 Haefner et al.
7454800 November 25, 2008 Taylor
7819120 October 26, 2010 Taylor
7900278 March 8, 2011 Pittman
D646379 October 4, 2011 Huh
20020134809 September 26, 2002 Angus
20020185509 December 12, 2002 Wichman
20030042284 March 6, 2003 Reiserer
20080294081 November 27, 2008 Moulin
20090314295 December 24, 2009 Hatmaker
20100200624 August 12, 2010 Chapman et al.
20110056496 March 10, 2011 Tilley et al.
20110126713 June 2, 2011 Legare
Foreign Patent Documents
692 206 January 1996 EP
96/28065 September 1996 WO
Other references
  • Miller PAPR webpage obtained from internet on Feb. 20, 2012 http://www.millerwelds.com/products/welding—protection/filtration/papr/.
Patent History
Patent number: D683013
Type: Grant
Filed: Feb 15, 2012
Date of Patent: May 21, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Kenneth J. Krepel (North St. Paul, MN), Nathan A. Abel (Minneapolis, MN), Jia Hu (Mounds View, MN), Sean R. Kilmer (Lino Lakes, MN), James M. Ulwelling (Eau Claire, WI)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/413,394
Classifications
Current U.S. Class: Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)