Exhaust pipe for water heater

- NORITZ CORPORATION
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Description

FIG. 1 is a perspective view of an exhaust pipe for water heater showing the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a cross sectional view taken along line 8-8 of FIG. 2;

FIG. 9 is an enlarged detail view of the portion 9 of FIG. 8; and,

FIG. 10 is a perspective view shown in a state of use.

The exhaust pipe for water heater is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claim. The evenly spaced broken lines shown in FIG. 10 depict environmental subject matter that forms no part of the claim.

Claims

The ornamental design for an exhaust pipe for water heater, as shown and described.

Referenced Cited
U.S. Patent Documents
3658097 April 1972 Martin
D307174 April 10, 1990 Bjorkman
D307790 May 8, 1990 Bjorkman
D356858 March 28, 1995 Folkman
D454942 March 26, 2002 Selby
6410852 June 25, 2002 Schimpf
D531708 November 7, 2006 Wagner
D591406 April 28, 2009 Crain
D767737 September 27, 2016 Kuykendall
20100325861 December 30, 2010 Gardner
20160059406 March 3, 2016 Nagano
20160060873 March 3, 2016 Sugatani
20160201832 July 14, 2016 Barbely
Patent History
Patent number: D816196
Type: Grant
Filed: Sep 26, 2016
Date of Patent: Apr 24, 2018
Assignee: NORITZ CORPORATION (Hyogo)
Inventors: Masaki Sugatani (Akashi), Takanori Nagano (Kakogawa), Hironao Matsunaga (Amagasaki), Takahide Hasegawa (Kakogawa), Kiyomi Kanamoto (Tokyo), Yasuhide Satoh (Tokyo), Shohei Matsuda (Ogaki)
Primary Examiner: Eric L Goodman
Assistant Examiner: Amy C Wierenga
Application Number: 29/578,880
Classifications
Current U.S. Class: Pipe, Tubing Or Hose (D23/266)