Seat ring for butterfly valve
The broken lines shown in the figures are included for the purpose of illustrating environment and form no part of the claimed design.
Claims
The ornamental design for a seat ring for butterfly valve, as shown and described.
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Type: Grant
Filed: Apr 7, 2015
Date of Patent: Sep 13, 2016
Assignee: ASAHI ORGANIC CHEMICALS INDUSTRY CO., LTD. (Miyazaki)
Inventors: Seiji Yamashita (Nobeoka), Kensuke Masuda (Nobeoka)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/523,120