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.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- N95 Mask (available [online] Nov. 5, 2021) Retrieved from internet Jun. 1, 2022 from URL: https://www.amazon.com/Approved-20-Pack-Particulate-Respirator-Universal/dp/B09FZ7GB58/r (Year: 2021).
- N95 Face Mask (available [online] Sep. 7, 2021) Retrieved from internet Jun. 1, 2022 from URL: https://www.amazon.com/Disposable-Respirator-Breathable-Efficiency-Comfortable/dp/B09FLJXX5L/ (Year: 2021).
Patent History
Patent number: D991442
Type: Grant
Filed: Sep 7, 2020
Date of Patent: Jul 4, 2023
Inventor: Alexandru David (Bucharest)
Primary Examiner: Richard Kearney
Assistant Examiner: Michael Hoffman
Application Number: 29/749,553
Type: Grant
Filed: Sep 7, 2020
Date of Patent: Jul 4, 2023
Inventor: Alexandru David (Bucharest)
Primary Examiner: Richard Kearney
Assistant Examiner: Michael Hoffman
Application Number: 29/749,553
Classifications