Exhaust pipe for water heater

Satoh , et al. May 1, 2

Patent Grant D816820

U.S. patent number D816,820 [Application Number D/518,891] was granted by the patent office on 2018-05-01 for exhaust pipe for water heater. This patent grant is currently assigned to LIVING ENGINEERING CO., LTD., MIRAI INDUSTRY CO., LTD.. The grantee listed for this patent is MIRAI INDUSTRY CO., LTD., TOSETZ CO., LTD.. Invention is credited to Kiyomi Kanamoto, Hirokazu Kawamura, Yasuhide Satoh.


United States Patent D816,820
Satoh ,   et al. May 1, 2018

Exhaust pipe for water heater

Claims

CLAIM The ornamental design for an exhaust pipe for water a heater, as shown and described.
Inventors: Satoh; Yasuhide (Oyama, JP), Kanamoto; Kiyomi (Yokohama, JP), Kawamura; Hirokazu (Mizuho, JP)
Applicant:
Name City State Country Type

TOSETZ CO., LTD.
MIRAI INDUSTRY CO., LTD.

Minato-ku, Tokyo
Anpachi-gun, Gifu-ken

N/A
N/A

JP
JP
Assignee: LIVING ENGINEERING CO., LTD. (Tokyo, JP)
MIRAI INDUSTRY CO., LTD. (Wanouchi-Cho, Gifu-ken, JP)
Appl. No.: D/518,891
Filed: February 27, 2015

Current U.S. Class: D23/322
Current International Class: 2303
Field of Search: ;D23/266,318,319,320,322,323,393 ;D32/31

References Cited [Referenced By]

U.S. Patent Documents
2622623 December 1952 Michaudet
3789615 February 1974 Maroschak
D235100 May 1975 Maroschak
4865362 September 1989 Holden
D307174 April 1990 Bjorkman
5792532 August 1998 Pfleger
6131616 October 2000 Tatsuta
6199592 March 2001 Siferd
6394143 May 2002 Diels
8210573 July 2012 Delmer
8997793 April 2015 Baxter
2009/0072535 March 2009 Baumann
2012/0255329 October 2012 Wanweerakul
2012/0318395 December 2012 Baxter
2013/0130606 May 2013 Brunette
2015/0240974 August 2015 Gamble
2016/0018027 January 2016 Douglass, III
2017/0122556 May 2017 Matsunaga
2017/0167640 June 2017 Inao
Primary Examiner: Nelson; T. Chase
Assistant Examiner: Aman; Ania
Attorney, Agent or Firm: Sughrue Mion, PLLC Turner; Richard C.

Description



FIG. 1 is a front view of a first embodiment and a second embodiment of an exhaust pipe for a water heater according to the present invention, in an unflexed and unbent state.

FIG. 2 is a top plan view applicable to both the first embodiment and the second embodiment of the exhaust pipe.

FIG. 3 is a right side view applicable to both the first embodiment and the second embodiment of the exhaust pipe, the left side view being the same.

FIG. 4 is a cross-sectional view taken along a cut line 4-4 of FIG. 1, showing the first embodiment of the exhaust pipe.

FIG. 5 is a partially enlarged view of a cross-sectional area taken along lines 5-5 in FIG. 4 according to the first embodiment of the exhaust pipe for a water heater.

FIG. 6 is a cross- sectional view taken along the cut line 6-6 of FIG. 1, and showing the second embodiment of the exhaust pipe for a water heater.

FIG. 7 is a partially enlarged view of a cross-sectional area taken along lines 7-7 in FIG. 6, according to the second embodiment of the exhaust pipe for a water heater.

FIG. 8 is a perspective view of the first embodiment of the exhaust pipe for a water heater, in a top and left elevational view.

FIG. 9 is a perspective view of the second embodiment of the exhaust pipe for a water heater, in a top and slight left elevational view; and,

FIG. 10 is a perspective view of the second embodiment of the exhaust pipe for a water heater, in a front and left elevational view.

* * * * *


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