Welding helmet
Latest NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO., LTD. Patents:
The broken lines showing the structure around the inner opening is included for the purpose of illustrating a portion of the welding helmet that form no part of the claimed design.
Claims
The ornamental design for a welding helmet, as shown and described.
Type: Grant
Filed: Mar 24, 2016
Date of Patent: Jun 6, 2017
Assignee: NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO., LTD. (Ningbo)
Inventors: Jianrong Zhou (Ningbo), Zhaolin Yang (Ningbo)
Primary Examiner: Robert Delehanty
Application Number: 29/559,045