Welding helmet
Description
The broken lines depict 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
Patent History
Patent number: D774701
Type: Grant
Filed: Feb 9, 2015
Date of Patent: Dec 20, 2016
Inventor: Zhao Lin Yang (Zhejiang Province)
Primary Examiner: Randall Gholson
Application Number: 29/516,952
Type: Grant
Filed: Feb 9, 2015
Date of Patent: Dec 20, 2016
Inventor: Zhao Lin Yang (Zhejiang Province)
Primary Examiner: Randall Gholson
Application Number: 29/516,952
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)