Top portion of a welding helmet

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Description

FIG. 1 is a perspective view, showing the new design for a top portion of a welding helmet;

FIG. 2 is a left side view, the right side view being a mirror image thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear 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 top portion of a welding helmet, as shown and described.

Referenced Cited
U.S. Patent Documents
D249396 September 19, 1978 Kamata
D251156 February 27, 1979 Schleicher et al.
D294747 March 15, 1988 Gevert
D312513 November 27, 1990 Morin
D331299 November 24, 1992 Kamata
D331474 December 1, 1992 Lehtonen
D340546 October 19, 1993 Kamata
D351685 October 18, 1994 Kamata
D354375 January 10, 1995 Lechner
D361867 August 29, 1995 Taniuchi
D365666 December 26, 1995 Gumpp
D393933 April 28, 1998 Huh
D411900 July 6, 1999 Puleo
D418255 December 28, 1999 Hohdorf
D445546 July 24, 2001 Gafforio
D446357 August 7, 2001 Shida
D450160 November 6, 2001 Kalhok
D452592 December 25, 2001 Kalhok
D452643 January 1, 2002 Morita
D461935 August 20, 2002 Hahm
D475815 June 10, 2003 Kalhok
D482502 November 18, 2003 Huh
D482503 November 18, 2003 Huh
D485947 January 27, 2004 Pelletier et al.
D485948 January 27, 2004 Yi
D492817 July 6, 2004 Simpson
D497223 October 12, 2004 Kalhok
D498881 November 23, 2004 Yi
D498883 November 23, 2004 Simpson
Other references
  • U.S. Appl. No. 29/236,040, filed Aug. 9, 2005 to Crafoord et al. entitled Welding Helmet Visor.
  • U.S. Appl. No. 29/236,038, filed Aug. 9, 2005 to Belin et al. entitled Welding Helmet Visor Flanges.
  • U.S. Appl. No. 29/236,039, filed Aug. 9, 2005 to Fredriksson et al. entitled Side Portion Of A Welding Helmet.
  • U.S. Appl. No. 29/236,061, filed Aug. 9, 2005 to Fridholm et al. entitled Welding Helmet Lens Frame.
  • U.S. Appl. No. 29/236,060, filed Aug. 9, 2005 to Lilenthal et al. entitled Side Portion Of A Welding Helmet.
  • U.S. Appl. No. 29/236,009, filed Aug. 9, 2005 to Mases et al. entitled Ear Portion Of A Welding Helmet.
  • U.S. Appl. No. 29/236,058, filed Aug. 9, 2005 to Lilenthal et al. entitled Welding Helmet Lens Shield.
  • U.S. Appl. No. 29/236,057, filed Aug. 9, 2005 to Lilenthatl et al. entitled Welding Helmet.
Patent History
Patent number: D532939
Type: Grant
Filed: Aug 9, 2005
Date of Patent: Nov 28, 2006
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Oskar E. Juhlin (Gustavsberg), Niklas Lilenthal (Djura), Kjell I. Mases (Gagnef), David Crafoord (Bromma), Rutger Belin (Leksand), Lennart C. Fredriksson (Basvagen), Jonas D. Fridholm (Bromma)
Primary Examiner: Ruth McInroy
Attorney: Karl G. Hanson
Application Number: 29/236,062