Respiratory mask
Description
All broken lines shown in the figures depict portions of the respiratory mask that form no part of the claimed design.
Claims
The ornamental design for a respiratory mask, as shown and described.
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Patent History
Patent number: D958967
Type: Grant
Filed: Aug 6, 2020
Date of Patent: Jul 26, 2022
Inventor: Pengfei Zhu (Changde)
Primary Examiner: Jonathan J Han
Assistant Examiner: Amanda J Berlinski
Application Number: 29/745,581
Type: Grant
Filed: Aug 6, 2020
Date of Patent: Jul 26, 2022
Inventor: Pengfei Zhu (Changde)
Primary Examiner: Jonathan J Han
Assistant Examiner: Amanda J Berlinski
Application Number: 29/745,581
Classifications
Current U.S. Class:
Mask (D24/110.1)