Welding helmet
Description
Claims
The ornamental design for a welding helmet, as shown.
Referenced Cited
Patent History
Patent number: D793626
Type: Grant
Filed: Apr 14, 2016
Date of Patent: Aug 1, 2017
Inventor: Zhaolin Yang (Zhejiang Province)
Primary Examiner: Robert Delehanty
Application Number: 29/561,161
Type: Grant
Filed: Apr 14, 2016
Date of Patent: Aug 1, 2017
Inventor: Zhaolin Yang (Zhejiang Province)
Primary Examiner: Robert Delehanty
Application Number: 29/561,161
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)