Welding helmet
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Description
The broken lines shown in the drawings represent portions of the welding helmet that form no part of the claimed design.
Claims
The ornamental design for a welding helmet, as shown and described.
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Patent History
Patent number: D734558
Type: Grant
Filed: Dec 16, 2013
Date of Patent: Jul 14, 2015
Assignee: Tecmen Electronics Co., Ltd. (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/476,720
Type: Grant
Filed: Dec 16, 2013
Date of Patent: Jul 14, 2015
Assignee: Tecmen Electronics Co., Ltd. (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/476,720
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)