Powered air purifying respirator unit cover

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Description

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

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 the powered air purifying respirator unit illustrates the environment of the claimed design and forms no part thereof.

Claims

The ornamental design for a powered air purifying respirator unit cover, as shown and described.

Referenced Cited
U.S. Patent Documents
4643182 February 17, 1987 Klein
D449099 October 9, 2001 Juhlin
D479524 September 9, 2003 Nara
D498528 November 16, 2004 Van Brunt
D503796 April 5, 2005 Lithgow
D504945 May 10, 2005 Van Brunt
D507832 July 26, 2005 Yanniello
D548332 August 7, 2007 Hitchcock
D585540 January 27, 2009 Lithgow
D599007 August 25, 2009 Stallard
D602582 October 20, 2009 Pidgeon
D609803 February 9, 2010 Ungar
D614286 April 20, 2010 Lithgow
D632375 February 8, 2011 Curran
D646379 October 4, 2011 Huh
D650479 December 13, 2011 Row
D654070 February 14, 2012 Silva et al.
D666288 August 28, 2012 Bainton
D668326 October 2, 2012 Bainton
D680641 April 23, 2013 Dwyer
D681190 April 30, 2013 Dwyer
D684256 June 11, 2013 Menezes
D690413 September 24, 2013 Abel
D703806 April 29, 2014 Hu et al.
D710493 August 5, 2014 Wu
D710494 August 5, 2014 Wu
20050145251 July 7, 2005 Taylor et al.
Foreign Patent Documents
000908736-001 April 2008 EM
Other references
  • 3M™ Adflo Respiratory Protection Systems product information.
  • 3M™ Air-Mate™ Powered Air Purifying Respirator product information.
  • 3M™ Dustmaster™ Powered Air Turbo product information.
  • 3M™ GVP-Series PAPR Assemblies product information.
  • 3M™ Jupiter™ Powered Air Turbo product information sheet dated Feb. 2007.
  • 3M Unidad Turbo Jupiter™ product literature.
  • 3M™ Versaflo™ Powered & Supplied Air Respiratory Protection Systems product literature Work in World of Comfort, 2009.
  • Sundström PAPR SR500EX product information.
  • Sundström Safety AB the SR 500 Series Powered Air Purifying Respiratory Protection product literature.
Patent History
Patent number: D739008
Type: Grant
Filed: Mar 14, 2014
Date of Patent: Sep 15, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Desmond T. Curran (Nevilles Cross), Andrew Murphy (Binchester Moor), Christopher N. Findlay (Wheatley Hill)
Primary Examiner: Deanna L Pratt
Assistant Examiner: Lilyana Bekic
Application Number: 29/484,946
Classifications
Current U.S. Class: Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)