Blower unit for breathing mask

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Description

FIG. 1 is a top view of the blower unit for breathing mask.

FIG. 2 is a left view of the blower unit for breathing mask.

FIG. 3 is a right view of the blower unit for breathing mask.

FIG. 4 is a rear view of the blower unit for breathing mask.

FIG. 5 is a perspective view of the blower unit for breathing mask; and,

FIG. 6 is a front view of the blower unit for breathing mask.

The broken lines illustrate environmental structure of the blower unit for breathing mask, which forms no part of the claimed design.

Portions of the bottom of the article that are not shown in the drawing or described in the specification form no part of the claimed design.

Claims

The ornamental design for a blower unit for breathing mask, as shown and described.

Referenced Cited
U.S. Patent Documents
D440301 April 10, 2001 Fecteau et al.
D467656 December 24, 2002 Mittelstadt et al.
D468823 January 14, 2003 Smart
6823867 November 30, 2004 Avery et al.
D539418 March 27, 2007 Jones et al.
D557408 December 11, 2007 Amarasinghe et al.
7484509 February 3, 2009 Schubert
7665464 February 23, 2010 Kopacko et al.
7748381 July 6, 2010 Croll et al.
D645956 September 27, 2011 Grimsley
20070119452 May 31, 2007 Schubert
20070131228 June 14, 2007 Croll et al.
20080072908 March 27, 2008 Lang et al.
Patent History
Patent number: D687944
Type: Grant
Filed: Apr 30, 2010
Date of Patent: Aug 13, 2013
Assignee: Scott Health & Safety Ltd. (Lancashire)
Inventors: Albert F. Zwolinsky (Skelmersdale), Christopher G. Hall (Skelmersdale), Richard D. Marshal (Skelmersdale), Sally Leyland (Skelmersdale), Robert Carr (Skemersdale), Frank Angear (Skelmersdale)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/360,835
Classifications
Current U.S. Class: Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)