Check ring for indicating nut tightening amount
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The broken lines shown are included for the purpose of illustrating the environment in which the article is used and form no part of the claim.
Claims
The ornamental design for a check ring for indicating nut tightening amount, as shown and described.
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Type: Grant
Filed: Mar 14, 2014
Date of Patent: Oct 20, 2015
Assignee: BMT CO., LTD. (Yangsan-Si)
Inventor: Jong-Chan Yoon (Busan)
Primary Examiner: Cynthia Underwood
Application Number: 29/485,055