Heat detector

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Description

FIG. 1 is a perspective view of a heat detector showing my new design. The broken lines depict unclaimed environmental subject matter.

FIG. 2 is a top view thereof.

FIG. 3 is a side view thereof.

FIG. 4 is an end view thereof; and,

FIG. 5 is a bottom view thereof.

In the drawings, the broken line showing of elements of the heat detector, including the base depicts environmental subject matter and forms no part of the claim. The dot-dash-dot lines disclose the boundary between the central heat detector element and the base.

Claims

The ornamental design for a heat detector, as shown and described.

Referenced Cited
U.S. Patent Documents
5712767 January 27, 1998 Koizumi
D567120 April 22, 2008 Merchant
D618568 June 29, 2010 Anderson
D630953 January 18, 2011 Anderson
Patent History
Patent number: D769144
Type: Grant
Filed: Apr 22, 2014
Date of Patent: Oct 18, 2016
Assignee: (Spring Valley, WI)
Inventors: T Boyd Dingus (Spring Valley, WI), Brian Dingman (Spring Valley, WI)
Primary Examiner: George D Kirschbaum
Application Number: 29/488,665
Classifications