Drainage connecting pipe
Latest BEIJING RUNDE HONGTU TECHNOLOGY DEVELOPMENT CO. LTD. Patents:
Description
Claims
The ornamental design for a drainage connecting pipe, as shown.
Referenced Cited
U.S. Patent Documents
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D465012 | October 29, 2002 | Tauzer |
D469859 | February 4, 2003 | Didone |
D647598 | October 25, 2011 | Matusche |
D716417 | October 28, 2014 | Harbour |
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Patent History
Patent number: D816195
Type: Grant
Filed: Aug 16, 2016
Date of Patent: Apr 24, 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: 29/574,499
Type: Grant
Filed: Aug 16, 2016
Date of Patent: Apr 24, 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: 29/574,499
Classifications