Respirator
Description
Claims
The ornamental design for a respirator, as shown.
Referenced Cited
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Patent History
Patent number: D810274
Type: Grant
Filed: Aug 30, 2016
Date of Patent: Feb 13, 2018
Inventor: Zhaolin Yang (Zhejiang Province)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/575,847
Type: Grant
Filed: Aug 30, 2016
Date of Patent: Feb 13, 2018
Inventor: Zhaolin Yang (Zhejiang Province)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/575,847
Classifications