Filter cartridge for welding respirator
The broken lines shown in the drawings represent portions of the filter cartridge for welding respirator that form no part of the claimed design.
Claims
The ornamental design for a filter cartridge for welding respirator, as shown and described.
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Type: Grant
Filed: Aug 5, 2015
Date of Patent: Dec 27, 2016
Assignee: Tecmen Electronics Co., Ltd. (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Rhea Shields
Application Number: 29/535,292