Patent
   D412452
Priority
Dec 30 1997
Filed
Jun 29 1998
Issued
Aug 03 1999
Expiry
Aug 03 2013
Assg.orig
Entity
unknown
12
2
n/a
The ornamental design for an air quality monitor, as shown and described.

FIG. 1 is a front elevational view of an air quality monitor showing my new design;

FIG. 2 is a right side elevational view thereof, with the left side elevational view being a mirror image;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a rear elevational view thereof.

Chan, Raymond

Patent Priority Assignee Title
D449995, Sep 15 2000 SHARPER IMAGE ACQUISITION LLC, A DELAWARE LIMITED LIABILITY COMPANY Combination travel clock, smoke/intrusion alarm, and flashlight
D569290, Jan 12 2007 Porch Dog Designs, Inc. Enclosure for a personal emergency warning device
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
D622400, Sep 16 2009 AIRTOX, INC Air sampler housing
D728388, Oct 16 2013 DRÄGERWERK AG & CO KGAA Clear pump adapter
D741204, Nov 03 2014 Air quality monitor
D768012, May 27 2015 BITFINDER, INC Air quality monitoring device
D815962, Nov 23 2016 Air quality indicator
D864773, Jun 26 2018 VSON TECHNOLOGY CO., LTD. Air quality monitor
D875571, Jul 06 2018 3M Innovative Properties Company Monitoring device
D947042, Nov 28 2019 LG Electronics Inc. Smart pole with air quality indicator
Patent Priority Assignee Title
5578113, Jul 19 1994 Holmes Products Corp Air treatment system
D399766, Oct 07 1997 Sunbeam Products, Inc Air quality monitor
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 29 1998IDT-LCD Holdings (BVI) Limited(assignment on the face of the patent)
Aug 27 1998CHAN, RAYMONDIDT-LCD HOLDINGS BVI LIMITEDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0095540556 pdf
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