Protective face mask
Description
Claims
The ornamental design for a protective face mask, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D946747
Type: Grant
Filed: Jul 24, 2020
Date of Patent: Mar 22, 2022
Inventor: David G. Mathews (Honolulu, HI)
Primary Examiner: Eric L Goodman
Assistant Examiner: Michael Hoffman
Application Number: 29/743,815
Type: Grant
Filed: Jul 24, 2020
Date of Patent: Mar 22, 2022
Inventor: David G. Mathews (Honolulu, HI)
Primary Examiner: Eric L Goodman
Assistant Examiner: Michael Hoffman
Application Number: 29/743,815
Classifications
Current U.S. Class:
Mask (D24/110.1)