Seat ring for butterfly valve
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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