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Patent
D942872
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Priority
Mar 09 2020
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Filed
Apr 01 2020
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Issued
Feb 08 2022
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Expiry
Feb 08 2037
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Assg.orig
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Entity
unknown
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3
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9
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n/a
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The ornamental design for an air quality indicator, as shown and described.
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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 |
6729196, |
Mar 10 1999 |
FLIR DETECTION, INC |
Biological individual sampler |
7178381, |
Oct 31 2003 |
Riken Keiki Co., Ltd. |
Portable gas detector |
7281404, |
Oct 19 2004 |
Industrial Scientific Corporation |
Apparatus and method for testing gas detection instruments |
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 |
D597866, |
Mar 03 2008 |
Koninklijke Philips Electronics N.V. |
Air quality sensor |
D749001, |
Jan 23 2014 |
|
Temperature test unit |
D788605, |
Sep 01 2015 |
CHAUVIN ARNOUX |
Measuring apparatus |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a