Welding mask

- Otos Tech Co., Ltd.
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Description

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

FIG. 2 is a front elevation view;

FIG. 3 is a rear elevation view;

FIG. 4 is a left elevation view, the right side elevation view being a mirror image thereof;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view.

Claims

The ornamental design for a welding mask, as shown.

Referenced Cited
U.S. Patent Documents
D393933 April 28, 1998 Huh
D446887 August 21, 2001 Huh
D481832 November 4, 2003 Huh
D482502 November 18, 2003 Huh
D482503 November 18, 2003 Huh
D527849 September 5, 2006 Huh
Patent History
Patent number: D540990
Type: Grant
Filed: Aug 31, 2005
Date of Patent: Apr 17, 2007
Assignee: Otos Tech Co., Ltd. (Seoul)
Inventor: Moon Young Huh (Seoul)
Primary Examiner: Ruth McInroy
Attorney: Jordan and Hamburg LLP
Application Number: 29/237,555