Protective mask

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Description

FIG. 1 is an upper prospective view of a protective mask my new design;

FIG. 2 is another upper prospective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the Figures show portions of the protective mask which form no part of the claimed design.

Claims

I claim the ornamental design for the protective mask, as shown and described.

Referenced Cited
U.S. Patent Documents
D393933 April 28, 1998 Huh
D398421 September 15, 1998 Crafoord
D489492 May 4, 2004 Wu
D793626 August 1, 2017 Yang
20170042738 February 16, 2017 Yang
Patent History
Patent number: D919188
Type: Grant
Filed: May 10, 2019
Date of Patent: May 11, 2021
Assignee: ANHUI HENGYU OPTICAL ELECTRONICS CO., LTD (Hefei)
Inventor: Haijian Sun (Hefei)
Primary Examiner: Robert A Delehanty
Application Number: 29/690,718