Protective face mask
Description
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1. Protective face mask
Claims
The ornamental design for a protective face mask, as shown and described.
Referenced Cited
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Patent History
Patent number: D968031
Type: Grant
Filed: Mar 5, 2021
Date of Patent: Oct 25, 2022
Inventor: Herbert Hatzlhoffer (Maisprach)
Primary Examiner: Richard E Chilcot
Application Number: 35/511,631
Type: Grant
Filed: Mar 5, 2021
Date of Patent: Oct 25, 2022
Inventor: Herbert Hatzlhoffer (Maisprach)
Primary Examiner: Richard E Chilcot
Application Number: 35/511,631
Classifications