Thermal expansion device
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The broken lines shown in the drawings are for the purpose of illustrating environment and form no part of the claim.
Claims
We claim the ornamental design for a thermal expansion device, as shown and described.
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Type: Grant
Filed: Oct 24, 2017
Date of Patent: Aug 27, 2019
Assignee: IPEX TECHNOLOGIES INC. (Oakville)
Inventors: Martin Kwan Yu Leung (Oakville), Ivan Lee Stiehl (Burlington)
Primary Examiner: Eric L Goodman
Assistant Examiner: Amy C Wierenga
Application Number: 29/623,279