Patent
   D942872
Priority
Mar 09 2020
Filed
Apr 01 2020
Issued
Feb 08 2022
Expiry
Feb 08 2037
Assg.orig
Entity
unknown
3
9
n/a
The ornamental design for an air quality indicator, as shown and described.

FIG. 1 is a perspective view of an air quality indicator showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

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.

Zhang, Yinhu

Patent Priority Assignee Title
D957957, Mar 10 2020 KYUNGDONG NAVIEN CO., LTD. Air quality measuring apparatus
D985404, Jun 03 2021 Thermometer
D987458, Jan 25 2021 Yokogawa Electric Corporation Gas analyzer
Patent Priority Assignee Title
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9952125, Oct 11 2013 Draeger Medical Systems, Inc Remote sampling bypass for a gas analyser
D446135, Nov 06 2000 Thermometer
D597865, Mar 03 2008 Koninklijke Philips Electronics N.V. Air quality sensor and docking station
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D749001, Jan 23 2014 Temperature test unit
D788605, Sep 01 2015 CHAUVIN ARNOUX Measuring apparatus
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Mar 30 2020ZHANG, YINHUVSON TECHNOLOGY CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0522910527 pdf
Apr 01 2020Vson Technology Co., Ltd(assignment on the face of the patent)
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