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Publication numberUSD327228 S
Publication typeGrant
Application numberUS 07/530,247
Publication dateJun 23, 1992
Filing dateMay 30, 1990
Publication number07530247, 530247, US D327228 S, US D327228S, US-S-D327228, USD327228 S, USD327228S
InventorsKenneth Fenne
Original AssigneePittway Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Cover for a duct-type smoke detector
US D327228 S
Abstract  available in
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  1. The ornamental design for a cover for a duct-type smoke, as shown and described.

FIG. 1 is a front perspective view of a cover for a duct-type smoke detector showing my new design, with the broken line showing for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, with the rear being unornamented;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof.

Non-Patent Citations
1EXHIBIT A-Covers Sold by Pittway Corporation.
2EXHIBIT B-Covers Sold by Pittway Corporation.
3EXHIBIT C-Air Duct Detector, Showing Cover, Sold by a Third Party.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7322827Nov 16, 2005Jan 29, 2008Honeywell International, Inc.Two-piece housing reconfigurable with an integral hinge
US7703344Jul 31, 2006Apr 27, 2010Honeywell International Inc.Coupler for attachment of sampling tubes to duct detector
U.S. ClassificationD10/106.2