Small battery pack for powered air purifying respirator

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Description

FIG. 1 is a front perspective view showing the new design for a small battery pack for powered air purifying respirator (PAPR);

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 forms no part of the claimed design, and the shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.

Claims

The ornamental design for a small battery pack for powered air purifying respirator (PAPR), as shown and described.

Referenced Cited
U.S. Patent Documents
4899740 February 13, 1990 Napolitano
D481007 October 21, 2003 Takahashi
D483725 December 16, 2003 Thompson et al.
D494541 August 17, 2004 Hriscu et al.
D543955 June 5, 2007 Hayes et al.
D581866 December 2, 2008 Choi et al.
D600640 September 22, 2009 Stein et al.
D632375 February 8, 2011 Curran
D640699 June 28, 2011 McParland
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: D684536
Type: Grant
Filed: Feb 15, 2012
Date of Patent: Jun 18, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Nathan A. Abel (Minneapolis, MN), David M. Blomberg (Lino Lakes, MN)
Primary Examiner: Rosemary K Tarcza
Application Number: 29/413,410
Classifications
Current U.S. Class: Battery (D13/119)