Pivot knob portion of a welding helmet

Description

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

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view, the right side view being a mirror image 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. The surface shading is provided to illustrate contour only.

Claims

CLAIM The ornamental design for a pivot knob portion of a welding helmet, as shown and described.

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Inventors:	Juhlin; Oskar E. (Gustavsberg, SE)
Assignee:	3M Innovative Properties Company (St. Paul, MN)
Appl. No.:	D/297,644
Filed:	November 15, 2007

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Current U.S. Class:	D29/122
Current International Class:	2902
Field of Search:	;D29/108,110,111,122 ;2/7,8.1-8.8,9-11,15,6.3,6.5,6.7,424,427,429,5 ;128/857,858,206.28,207.11,207.17,201.23,201.24,201.25,206.21,206.23,206.24 ;D24/191 ;D8/382,399,397 ;D11/222 ;411/500 ;403/408.1,116,117

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References Cited [Referenced By]

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U.S. Patent Documents

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4907300	March 1990	Dampney et al.
5003632	April 1991	Claude
5571217	November 1996	Del Bon et al.
D398421	September 1998	Crafoord et al.
6154881	December 2000	Lee
6260197	July 2001	Hoogewind
6341382	January 2002	Ryvin et al.
6614409	September 2003	Bae
D517745	March 2006	Lee et al.
D524992	July 2006	Belin et al.
D525395	July 2006	Fridholm et al.
D526097	August 2006	Lilenthal et al.
D532560	November 2006	Fredriksson et al.
D532939	November 2006	Juhlin et al.
D533313	December 2006	Mases et al.
D551961	October 2007	Huh
D557128	December 2007	Sawdon et al.
2006/0080761	April 2006	Huh
2007/0245467	October 2007	Lilenthal et al.
2008/0060102	March 2008	Matthews et al.

Primary Examiner: McInroy; Ruth
Attorney, Agent or Firm: Wetzels; Anna A.