Powered air purifying respirator blower

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Description

FIG. 1 is a front perspective view showing the new design for a powered air purifying respirator blower;

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 powered air purifying respirator blower, as shown and described.

Referenced Cited
U.S. Patent Documents
4899740 February 13, 1990 Napolitano
D350602 September 13, 1994 Hobbs
D471273 March 4, 2003 Albulet et al.
D473640 April 22, 2003 Cuffaro et al.
D632375 February 8, 2011 Curran et al.
D633019 February 22, 2011 De Wind
D646379 October 4, 2011 Huh
20090314295 December 24, 2009 Hatmaker
20110126713 June 2, 2011 Legare
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: D729380
Type: Grant
Filed: Feb 15, 2012
Date of Patent: May 12, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Nathan A. Abel (Minneapolis, MN), John M. Pilgrim (Woodbury, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle G Shelton
Application Number: 29/413,398
Classifications
Current U.S. Class: Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)