Protective mask
Description
Claims
The ornamental design for a protective mask, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D857999
Type: Grant
Filed: Nov 7, 2017
Date of Patent: Aug 27, 2019
Assignee: Sundström Safety Aktiebolag (Lagan)
Inventor: Gert Hanner (Mjöhult)
Primary Examiner: Ruth McInroy
Application Number: 29/625,072
Type: Grant
Filed: Nov 7, 2017
Date of Patent: Aug 27, 2019
Assignee: Sundström Safety Aktiebolag (Lagan)
Inventor: Gert Hanner (Mjöhult)
Primary Examiner: Ruth McInroy
Application Number: 29/625,072
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)