Protective plate for a welding filter in a welding helmet

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Description

FIG. 1 is a perspective view of a protective plate for a welding filter in a welding helmet showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof, the right side being a mirror image;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The details shown in broken lines form no part of the claimed design.

Claims

The ornamental design for a protective plate for a welding filter in a welding helmet, as shown and described.

Referenced Cited
U.S. Patent Documents
5003632 April 2, 1991 Claude
D398421 September 15, 1998 Crafoord et al.
6038705 March 21, 2000 Jarvis
D499215 November 30, 2004 Cheng
D517745 March 21, 2006 Lee et al.
D524992 July 11, 2006 Belin et al.
D525395 July 18, 2006 Fridholm et al.
D526097 August 1, 2006 Lilenthal et al.
D532560 November 21, 2006 Fredriksson et al.
D532939 November 28, 2006 Juhlin et al.
D533313 December 5, 2006 Mases et al.
D539485 March 27, 2007 Huh
D539988 April 3, 2007 Crafoord et al.
D565800 April 1, 2008 Wang
D584003 December 30, 2008 Juhlin
D584006 December 30, 2008 Juhlin
D584007 December 30, 2008 Juhlin
D584008 December 30, 2008 Juhlin
D585160 January 20, 2009 Juhlin
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Other references
  • JPO Design Division Prior Art Ref. No. H017012831 described on p. 36 of Comprehensive Catalogue of Safety and Hygiene Protective Gears No. 46, accepted by the Patent Office Design Department on Jun. 10, 2005.
  • JPO Design Division Prior Art Ref. No. H017013893 described on p. 1 of Respirator for Soil Contamination and Hazardous Substance, accepted on Jun. 24, 2005 by the Patent Office Design Department.
  • JP Design Registration 1303442 (Design Application 2006-32347) published Jun. 11, 2007.
Patent History
Patent number: D616155
Type: Grant
Filed: Apr 15, 2009
Date of Patent: May 18, 2010
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Oskar E. Juhlin (Gustavsberg)
Primary Examiner: Ruth McInroy
Attorney: Anna A. Wetzels
Application Number: 29/335,398
Classifications
Current U.S. Class: Element Or Attachment (D29/122)