US Patent # D589,654. Pivot knob portion of a welding helmet

United States Patent	D589,654
Juhlin	March 31, 2009

Pivot knob portion of a welding helmet

Claims

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

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

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

References Cited

U.S. Patent Documents


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

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.

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