Dust mask
Description
Claims
I claim the ornamental design for a dust mask, as shown and described.
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Patent History
Patent number: D831192
Type: Grant
Filed: Dec 18, 2015
Date of Patent: Oct 16, 2018
Assignee: Vertex Korea Co., Ltd. (Incheon)
Inventor: Kisu Park (Incheon)
Primary Examiner: Karen E Kearney
Assistant Examiner: Lilyana Bekic
Application Number: 29/549,094
Type: Grant
Filed: Dec 18, 2015
Date of Patent: Oct 16, 2018
Assignee: Vertex Korea Co., Ltd. (Incheon)
Inventor: Kisu Park (Incheon)
Primary Examiner: Karen E Kearney
Assistant Examiner: Lilyana Bekic
Application Number: 29/549,094
Classifications
Current U.S. Class:
Mask (D24/110.1)