Wall flow type exhaust gas purification filter

- NGK Insulators, Ltd.
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Description

FIG. 1 is a perspective view of a wall flow type exhaust gas purification filter illustrating my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof, the bottom view thereof being a mirror image;

FIG. 5 is a right view thereof, the left view thereof being a mirror image;

FIG. 6 is an enlarged view of the center section shown in FIG. 2;

FIG. 7 is a cross-sectional view taken through line VII-VII of FIG. 2;

FIG. 8 is a middle omitted cross-sectional view taken through line VIII-VIII of FIG. 6;

FIG. 9 is an enlarged view of the center section shown in FIG. 3;

FIG. 10 is a perspective view of a wall flow type exhaust gas purification filter illustrating my new design;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a top view thereof, the bottom view thereof being a mirror image;

FIG. 14 is a right view thereof, the left view thereof being a mirror image;

FIG. 15 is an enlarged view of the center section shown in FIG. 11;

FIG. 16 is a cross-sectional view taken through line XVI-XVI of FIG. 11;

FIG. 17 is a middle omitted cross-sectional view taken through line XVII-XVII of FIG. 15; and,

FIG. 18 is an enlarged view of the center section shown in FIG. 12.

The broken lines in the drawing depict unclaimed subject matter only and form no part of the claimed design. The break lines in FIGS. 8 & 17 show truncation of lenght.

Claims

The ornamental design for a wall flow type exhaust gas purification filter, as shown and described.

Referenced Cited
U.S. Patent Documents
D414281 September 21, 1999 Sassenberg
D501566 February 1, 2005 Yang
D548826 August 14, 2007 Katta
D605189 December 1, 2009 Kuroda
D679792 April 9, 2013 Hollingsworth
D732650 June 23, 2015 Yamada
D733277 June 30, 2015 Yamada
D738998 September 15, 2015 Laver
D740405 October 6, 2015 Yamaguchi
D742491 November 3, 2015 Yamaguchi
D744078 November 24, 2015 Iwasaki
D748237 January 26, 2016 Shibata
D748625 February 2, 2016 Takahashi
D749714 February 16, 2016 Shibata
Patent History
Patent number: D763427
Type: Grant
Filed: Apr 20, 2015
Date of Patent: Aug 9, 2016
Assignee: NGK Insulators, Ltd. (Nagoya)
Inventor: Yukio Miyairi (Nagoya)
Primary Examiner: Sandra Snapp
Application Number: 29/524,329
Classifications
Current U.S. Class: Filter (D23/365)