Protective face mask
Description
Claims
The ornamental design for a protective face mask, as shown.
Referenced Cited
Patent History
Patent number: D805256
Type: Grant
Filed: Oct 7, 2016
Date of Patent: Dec 12, 2017
Inventor: Zhaolin Yang (Zhejiang Province)
Primary Examiner: Robert A Delehanty
Application Number: 29/580,274
Type: Grant
Filed: Oct 7, 2016
Date of Patent: Dec 12, 2017
Inventor: Zhaolin Yang (Zhejiang Province)
Primary Examiner: Robert A Delehanty
Application Number: 29/580,274
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)