Relief valve
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The broken lines in the figures show features of the relief valve that form no part of the claimed design.
Claims
The ornamental design for a relief valve as shown and described.
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Type: Grant
Filed: Mar 24, 2022
Date of Patent: Jun 17, 2025
Assignee: Watts Regulator Co. (North Andover, MA)
Inventor: Steven Castrigno (Chester, NH)
Primary Examiner: Gino Colan
Application Number: 29/832,039