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United States Patent D781,168
Wang March 14, 2017

Mechanical heat detector


CLAIM The ornamental design for a mechanical heat detector, as shown and described.
Inventors: Wang; Liyi (Xi'an, CN)
Name City State Country Type

Honeywell International Inc.



Appl. No.: D/540,529
Filed: September 25, 2015

Current U.S. Class: D10/106.5
Current International Class: 1005
Field of Search: ;D10/104.1,106.1-106.8 ;D16/203 ;340/571,588,628-630

References Cited [Referenced By]

U.S. Patent Documents
D339756 September 1993 Igarashi
D356050 March 1995 Tice
D382825 August 1997 Amleshi
D388351 December 1997 Repp
D391185 February 1998 Tomizawa
D425535 May 2000 Mutoh
D426250 June 2000 Lefkowitz
D505632 May 2005 Johnson
6967582 November 2005 Tice
D577301 September 2008 Johnson
D591629 May 2009 Tsurumi
D651926 January 2012 Akiyama
8106784 January 2012 Katou
D675948 February 2013 Kawaguchi
D700095 February 2014 Dohi
8816867 August 2014 Mammoto
D715170 October 2014 Brigham
D715171 October 2014 Brigham
2013/0008787 January 2013 Mammoto

Other References

System Sensor's 5600 Series Mechanical Heat Detectors (Jul. 2013). cited by applicant.

Primary Examiner: Morris; Sandra
Attorney, Agent or Firm: Husch Blackwell LLP


FIG. 1 is a perspective view of the mechanical heat detector.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a first side elevation view thereof.

FIG. 4 is a second side elevation view thereof.

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The rear view of the mechanical heat detector illustrated in FIGS. 1-6 is hereby disclaimed and forms no part of the claimed design.

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