Door chime

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible

Design Patent

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Design Patent

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D0636287

CLAIM:
The ornamental design for a door chime, as shown and described

REFERENCES:
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http://12.153.20.72/cgi-bin/chimeswdc.cgi?product=1, “Heath Zenith Lighting and Door Chimes, Model 57-1/M,” 1 page, printed Oct. 24, 2007.
http://www.friedland.co.uk/products/libraplus.htm, “Friedland Libra+ Wirefree Chimes,” 3 pages, printed Mar. 24, 2008.
http://www.nutone.com/product-detail.asp?ProductID=11246, “Nutone Model BK105—One 2-Note White Door Chime—Builder Kits,” 2 pages, printed Oct. 24, 2007.
http://www.nutone.com/product-detail.asp?ProductID=11242, “Nutone Model BK140LWH—One 2-Note White Door Chime—Builder Kits,” 2 pages, printed Oct. 24, 2007.

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