Secondary double containment pipe
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Description
The broken lines shown in
Claims
I claim the ornamental design for a secondary double containment pipe, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D900983
Type: Grant
Filed: Apr 15, 2019
Date of Patent: Nov 3, 2020
Assignee: IPEX TECHNOLOGIES INC. (Mississauga, Ontario)
Inventor: Martin Kwan Yu Leung (Oakville)
Primary Examiner: Amy C Wierenga
Application Number: 29/687,618
Type: Grant
Filed: Apr 15, 2019
Date of Patent: Nov 3, 2020
Assignee: IPEX TECHNOLOGIES INC. (Mississauga, Ontario)
Inventor: Martin Kwan Yu Leung (Oakville)
Primary Examiner: Amy C Wierenga
Application Number: 29/687,618
Classifications
Current U.S. Class:
Pipe, Tubing Or Hose (D23/266)