Pipe connecting tube
Description
Claims
The ornamental design for a pipe connecting tube, as shown and described.
Referenced Cited
U.S. Patent Documents
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| D304486 | November 7, 1989 | Elder |
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Patent History
Patent number: D861836
Type: Grant
Filed: Mar 13, 2018
Date of Patent: Oct 1, 2019
Assignees: PPI PYUNGWHA CO., LTD. (Hwaseong-si), PPI AMERICA INC. (Chicago, IL)
Inventors: Jong-Tae Lee (Seoul), Kiwoong Hwang (Yangju-si)
Primary Examiner: Eric L Goodman
Assistant Examiner: Amy C Wierenga
Application Number: 29/640,251
Type: Grant
Filed: Mar 13, 2018
Date of Patent: Oct 1, 2019
Assignees: PPI PYUNGWHA CO., LTD. (Hwaseong-si), PPI AMERICA INC. (Chicago, IL)
Inventors: Jong-Tae Lee (Seoul), Kiwoong Hwang (Yangju-si)
Primary Examiner: Eric L Goodman
Assistant Examiner: Amy C Wierenga
Application Number: 29/640,251
Classifications
Current U.S. Class:
Elbow Or With Flow Direction Change (D23/263)