Welding helmet
Description
Claims
The ornamental design for a welding helmet, as shown and described.
Referenced Cited
Patent History
Patent number: D584858
Type: Grant
Filed: Aug 8, 2007
Date of Patent: Jan 13, 2009
Inventor: Xuegang Wang (Taian)
Primary Examiner: Ruth McInroy
Attorney: Ballard Spahr Andrews & Ingersoll, LLP
Application Number: 29/289,962
Type: Grant
Filed: Aug 8, 2007
Date of Patent: Jan 13, 2009
Inventor: Xuegang Wang (Taian)
Primary Examiner: Ruth McInroy
Attorney: Ballard Spahr Andrews & Ingersoll, LLP
Application Number: 29/289,962
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)