Pipe dredge
Description
The broken lines surrounding the light gray in
Claims
The ornamental design for a pipe dredge, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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| D312713 | December 4, 1990 | Levine |
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| 6158076 | December 12, 2000 | Rutkowski |
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| 20140223679 | August 14, 2014 | Silverman |
| 176143 | June 2018 | CA |
| 176144 | June 2018 | CA |
| 304291055 | September 2017 | CN |
- How to Use a AMTECH Drain and Pipe Cleaner posted by AMTECH DIY posted date Jun. 24, 2016, © YouTube, [online], [site visited Nov. 1, 2018]. Available from Internet, https://www.youtube.com/watch?v=V_2BeRigokY (Year: 2016).
Patent History
Patent number: D849339
Type: Grant
Filed: Aug 30, 2017
Date of Patent: May 21, 2019
Assignee: SHANGHAI KUNJEK HANDTOOLS AND HARDWARE CO., LTD (Shanghai)
Inventor: Yeyi Fan (Shanghai)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Laura H Yu
Application Number: 29/615,582
Type: Grant
Filed: Aug 30, 2017
Date of Patent: May 21, 2019
Assignee: SHANGHAI KUNJEK HANDTOOLS AND HARDWARE CO., LTD (Shanghai)
Inventor: Yeyi Fan (Shanghai)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Laura H Yu
Application Number: 29/615,582
Classifications
Current U.S. Class:
Sewer Or Pipe Cleaner (D32/14)