Secondary double containment pipe

- IPEX TECHNOLOGIES INC.
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Description

FIG. 1 is a perspective view of a secondary double containment pipe;

FIG. 2 is a front view of the embodiment shown in FIG. 1;

FIG. 3 is a rear view of the embodiment shown in FIG. 1;

FIG. 4 is a first side view of the embodiment shown in FIG. 1;

FIG. 5 is a second side view of the embodiment shown in FIG. 1;

FIG. 6 is a top view of the embodiment shown in FIG. 1; and,

FIG. 7 is a bottom view of the embodiment shown in FIG. 1.

The broken lines shown in FIGS. 1 and 4-7 illustrates a symbolic break in the length of the article. The appearance of any portion of the article between the break lines forms no part of the claimed design.

Claims

I claim the ornamental design for a secondary double containment pipe, as shown and described.

Referenced Cited
U.S. Patent Documents
727786 May 1903 Grace
1895133 January 1933 Quarnstrom
2128720 August 1938 Tweedale
RE23317 January 1951 Greenwald
2685306 August 1954 Jones
3467761 September 1969 Plummer
3517702 June 1970 Trimble
4413656 November 8, 1983 Pithouse
4786088 November 22, 1988 Ziu
4870856 October 3, 1989 Sharp
4967800 November 6, 1990 Heilmayr et al.
5462312 October 31, 1995 Carpenter
5505230 April 9, 1996 Bartholomew
6086114 July 11, 2000 Ziu
7261324 August 28, 2007 Tisch
7484534 February 3, 2009 Schmidt
D778841 February 14, 2017 Seever
20060038397 February 23, 2006 Barrera
20060284413 December 21, 2006 Barrera
Foreign Patent Documents
104896261 September 2015 CN
0521322 January 1993 EP
1485175 September 1977 GB
1589475 May 1981 GB
WO 9205381 April 1992 WO
Patent History
Patent number: D900983
Type: Grant
Filed: Apr 15, 2019
Date of Patent: Nov 3, 2020
Assignee: IPEX TECHNOLOGIES INC. (Mississauga, Ontario)
Inventor: Martin Kwan Yu Leung (Oakville)
Primary Examiner: Amy C Wierenga
Application Number: 29/687,618
Classifications
Current U.S. Class: Pipe, Tubing Or Hose (D23/266)