Air quality detector
Description
The broken lines shown in the drawings illustrate portions of the air quality detector that form no part of the claimed design.
Claims
The ornamental design for an air quality detector, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D1094143
Type: Grant
Filed: Sep 9, 2024
Date of Patent: Sep 23, 2025
Assignee: PROTECH INTERNATIONAL GROUP CO., LTD. (Shenzhen)
Inventors: Lan Mu (Shenzhen), Faqing Mo (Shenzhen)
Primary Examiner: George D. Kirschbaum
Application Number: 29/961,976
Type: Grant
Filed: Sep 9, 2024
Date of Patent: Sep 23, 2025
Assignee: PROTECH INTERNATIONAL GROUP CO., LTD. (Shenzhen)
Inventors: Lan Mu (Shenzhen), Faqing Mo (Shenzhen)
Primary Examiner: George D. Kirschbaum
Application Number: 29/961,976
Classifications
Current U.S. Class:
Moisture (D10/56)