Respirator head harness

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Description

FIG. 1 is a perspective view of a respirator head harness showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

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

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a magnified view of the central portion of FIG. 2.

The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design.

Claims

The ornamental design for a respirator head harness, as shown and described.

Referenced Cited
U.S. Patent Documents
5481763 January 9, 1996 Brostrom et al.
5717991 February 17, 1998 Nozaki et al.
6173712 January 16, 2001 Brunson
6257235 July 10, 2001 Bowen
D449377 October 16, 2001 Henderson et al.
D458364 June 4, 2002 Curran et al.
D459471 June 25, 2002 Curran et al.
6584976 July 1, 2003 Japuntich et al.
6732733 May 11, 2004 Brostrom et al.
6833519 December 21, 2004 Bruchmann
7178528 February 20, 2007 Lau et al.
D575390 August 19, 2008 Scott et al.
D613850 April 13, 2010 Holmquist-Brown et al.
D620104 July 20, 2010 Curran et al.
Other references
  • U.S. Appl. No. 11/278,269; Inventors: Nathan A. Abel, James R. Betz, Sean M. Burke, Michael J. Lynch, Matthew D. Reier, and Andrew S. Viner; filed Mar. 31, 2006; total pp. 31 including drawings.
  • Product Literature: 3M Company, “Full Facepiece Respirator 7000 Series—User Instructions”, 2004, 19 pgs.
  • Product Literature: 3M Company, “Half and Full Facepiece Respirators”, Jan. 2002, 6 pgs.
  • Product Literature: MSA, “Advantage 1000 Low Maintenance Respirator”, Mar. 2001, 4 pgs.
  • Product Literature: Drager Safety, “X-Plore 6570 Full Face Masks”, (date unknown but believed to be prior to the date of the filing of the present application), 2 pgs.
  • Product Literature: Drager Safety, “X-Plore 5500 Full Face Mask”, (date unknown but believed to be prior to the date of the filing of the present application), 2 pgs.
  • Product Literature: North Safety Products, “North Respiratory Protection”, 2005, pp. 1, 9, 13, 17, 22, 34, 36, 37.
  • Product Literature: Aearo Technologies, “AOSafety Respiratory Protection”, 2006, 20 pgs.
  • Product Literature: Tyco/Scott, “Air Purifying Respirators”, Sep. 2004, 8 pgs.
  • Product Literature: Survivair, “Survivair Product Guide”, Sep. 2006, 24 pgs.
  • Product Literature: Survivair, “Survivair Max Instruction Manual”, Jun. 2003, 23 pgs.
Patent History
Patent number: D638929
Type: Grant
Filed: Jul 23, 2007
Date of Patent: May 31, 2011
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Nathan A. Abel (White Bear Lake, MN), James R. Betz (Hudson, WI), Sean M. Burke (St. Paul, MN), Michael J. Lynch (Hudson, WI), Matthew D. Reier (St. Paul, MN), Andrew S. Viner (Roseville, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Charles D Hanson
Attorney: Kenneth D. Wood
Application Number: 29/282,531
Classifications
Current U.S. Class: Mask (D24/110.1)