Patent
   D816810
Priority
Feb 17 2016
Filed
Aug 16 2016
Issued
May 01 2018
Expiry
May 01 2033
Assg.orig
Entity
unknown
1
8
n/a
The ornamental design for a drainage connecting pipe, as shown.

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.

Li, Runfan

Patent Priority Assignee Title
ER6497,
Patent Priority Assignee Title
1203989,
1362718,
3495281,
4179762, Aug 24 1978 Trap and solids removal assembly for drains
20150225933,
232552,
D469859, Jun 18 2002 Royal Pipe Company Waste and vent pipe
D682399, Aug 11 2011 Freeze-free water hose assembly
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 16 2016BEIJING RUNDE HONGTU TECHNOLOGY DEVELOPMENT CO. LTD.(assignment on the face of the patent)
Aug 31 2016LI, RUNFANBEIJING RUNDE HONGTU TECHNOLOGY DEVELOPMENT CO LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0397570777 pdf
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