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Publication numberUSD412452 S
Publication typeGrant
Application numberUS 29/090,059
Publication dateAug 3, 1999
Filing dateJun 29, 1998
Priority dateDec 30, 1997
Publication number090059, 29090059, US D412452 S, US D412452S, US-S-D412452, USD412452 S, USD412452S
InventorsRaymond Chan
Original AssigneeIdt-Lcd Holdings (Bvi) Limited
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Air quality monitor
US D412452 S
Abstract  available in
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  1. 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.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD741204 *Nov 3, 2014Oct 20, 2015Li-Chuan ChenAir quality monitor
USD768012 *May 27, 2015Oct 4, 2016Bitfinder, Inc.Air quality monitoring device
U.S. ClassificationD10/81, D10/52