Dust mask
Description
The dash-dot lines represent a decorative stitch pattern on the surface of the mask in
Claims
The ornamental design for a dust mask, as shown and described.
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Patent History
Patent number: D892410
Type: Grant
Filed: Dec 27, 2018
Date of Patent: Aug 4, 2020
Inventor: Alexandru David (Bucharest)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/674,866
Type: Grant
Filed: Dec 27, 2018
Date of Patent: Aug 4, 2020
Inventor: Alexandru David (Bucharest)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/674,866
Classifications
Current U.S. Class:
Face, Mouth, Or Ear (D29/108)