Air quality indicator
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Description
The broken lines in the drawings are for the purpose of illustrating portions of the air quality indicator that form no part of the claimed design.
Claims
The ornamental design for an air quality indicator, as shown and described.
Referenced Cited
Patent History
Patent number: D942872
Type: Grant
Filed: Apr 1, 2020
Date of Patent: Feb 8, 2022
Assignee: VSON TECHNOLOGY CO., LTD (Shenzhen)
Inventor: Yinhu Zhang (Shenzhen)
Primary Examiner: Antoine Duval Davis
Application Number: 29/730,165
Type: Grant
Filed: Apr 1, 2020
Date of Patent: Feb 8, 2022
Assignee: VSON TECHNOLOGY CO., LTD (Shenzhen)
Inventor: Yinhu Zhang (Shenzhen)
Primary Examiner: Antoine Duval Davis
Application Number: 29/730,165
Classifications
Current U.S. Class:
Temperature, Humidity, Atmospheric Condition (3) (D10/52);
Plural Or Combined (D10/53)