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.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D732746
Type: Grant
Filed: Jun 5, 2013
Date of Patent: Jun 23, 2015
Assignee: Tecmen Electronics CO., LTD. (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/456,951
Type: Grant
Filed: Jun 5, 2013
Date of Patent: Jun 23, 2015
Assignee: Tecmen Electronics CO., LTD. (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/456,951
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)