Welding mask
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Description
Claims
The ornamental design for welding mask, as shown and described.
Referenced Cited
Patent History
Patent number: D635721
Type: Grant
Filed: Jan 13, 2010
Date of Patent: Apr 5, 2011
Assignee: Polison Corporation (Kaohsiung)
Inventor: Chen-San Cheng (Kaohsiung)
Primary Examiner: Ruth McInroy
Attorney: Ladas & Parry LLP
Application Number: 29/353,710
Type: Grant
Filed: Jan 13, 2010
Date of Patent: Apr 5, 2011
Assignee: Polison Corporation (Kaohsiung)
Inventor: Chen-San Cheng (Kaohsiung)
Primary Examiner: Ruth McInroy
Attorney: Ladas & Parry LLP
Application Number: 29/353,710
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)