Drainage connecting pipe

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Description

FIG. 1 is a front view of a drainage connecting pipe according to the present application;

FIG. 2 is a rear view of the drainage connecting pipe;

FIG. 3 is a left view of the drainage connecting pipe;

FIG. 4 is a right view of the drainage connecting pipe;

FIG. 5 is a top view of the drainage connecting pipe;

FIG. 6 is a bottom view of the drainage connecting pipe; and,

FIG. 7 is a perspective view of the drainage connecting pipe.

Claims

The ornamental design for a drainage connecting pipe, as shown.

Referenced Cited
U.S. Patent Documents
1203989 November 1916 Dehn
1362718 December 1920 McNamara
3495281 February 1970 Palowsky
D232552 August 1974 Watson
4179762 December 25, 1979 Barnhardt
D469859 February 4, 2003 Didone
D682399 May 14, 2013 Funderburg
20150225933 August 13, 2015 Makaton
Patent History
Patent number: D816810
Type: Grant
Filed: Aug 16, 2016
Date of Patent: May 1, 2018
Assignee: BEIJING RUNDE HONGTU TECHNOLOGY DEVELOPMENT CO. LTD. (Beijing)
Inventor: Runfan Li (Beijing)
Primary Examiner: Eric L Goodman
Assistant Examiner: Amy C Wierenga
Application Number: 29/574,500
Classifications