Welding helmet

- Central Purchasing, LLC
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Description

FIG. 1 is a perspective view of a welding helmet showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom elevational view thereof; and,

FIG. 7 is a top elevational view thereof.

Claims

The ornamental design for a welding helmet, as shown and described.

Referenced Cited
U.S. Patent Documents
D310276 August 28, 1990 Fuerthbauer et al.
D310432 September 4, 1990 Boochard
D365666 December 26, 1995 Gumpp
5571217 November 5, 1996 Del Bon et al.
D393933 April 28, 1998 Huh
D394732 May 26, 1998 Huh
D398421 September 15, 1998 Crafoord et al.
D419727 January 25, 2000 Verkic et al.
D431328 September 26, 2000 Tanner
D446887 August 21, 2001 Young
D481832 November 4, 2003 Huh
D489492 May 4, 2004 Wu
Patent History
Patent number: D521190
Type: Grant
Filed: Dec 21, 2004
Date of Patent: May 16, 2006
Assignee: Central Purchasing, LLC (Camarillo, CA)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Ruth McInroy
Attorney: Amster, Rothstein & Ebenstein
Application Number: 29/219,779