Welding helmet
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Description
In the drawings, the broken lines in
Claims
The ornamental design for a welding helmet, as shown and described.
Referenced Cited
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Patent History
Patent number: D654224
Type: Grant
Filed: Jul 22, 2011
Date of Patent: Feb 14, 2012
Assignee: Tecmen Electronics Co., Ltd. (NanJing)
Inventor: Ziqian Wu (NanJing)
Primary Examiner: Elizabeth J Oswecki
Attorney: Leydig, Voit & Mayer, Ltd.
Application Number: 29/397,930
Type: Grant
Filed: Jul 22, 2011
Date of Patent: Feb 14, 2012
Assignee: Tecmen Electronics Co., Ltd. (NanJing)
Inventor: Ziqian Wu (NanJing)
Primary Examiner: Elizabeth J Oswecki
Attorney: Leydig, Voit & Mayer, Ltd.
Application Number: 29/397,930
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)