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United States Patent D769,144
Dingus ,   et al. October 18, 2016

Heat detector


CLAIM The ornamental design for a heat detector, as shown and described.
Inventors: Dingus; T Boyd (Spring Valley, WI), Dingman; Brian (Spring Valley, WI)
Name City State Country Type

Dingus; T Boyd
Dingman; Brian

Spring Valley
Spring Valley


Assignee: Anderson; Mark L. (Spring Valley, WI)
Appl. No.: D/488,665
Filed: April 22, 2014

Current U.S. Class: D10/106.2
Current International Class: 1005
Field of Search: ;D10/106.1,106.2,57

References Cited [Referenced By]

U.S. Patent Documents
5712767 January 1998 Koizumi
D567120 April 2008 Merchant
D618568 June 2010 Anderson
D630953 January 2011 Anderson
Primary Examiner: Kirschbaum; George D
Attorney, Agent or Firm: Skinner and Associates Skinner; Joel D.


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.

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