Bolt or nut tightening device
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The broken lines are for purposes of illustrating unclaimed structure. The broken lines and structure they depict form no part of the claimed design.
The name TONE displayed on the bolt or nut tightening device is a trademark owned by Maeda Metal Industries, Ltd.
Claims
The ornamental design for a bolt or nut tightening device, substantially as shown and described.
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D509120 | September 6, 2005 | Okuda et al. |
7135791 | November 14, 2006 | Kushida et al. |
D569207 | May 20, 2008 | Torigai et al. |
Type: Grant
Filed: Oct 4, 2007
Date of Patent: Feb 17, 2009
Assignee: Maeda Metal Industries, Ltd.
Inventors: Yukio Torigai (Osaka), Shozo Matsumura (Osaka), Takayoshi Obatake (Osaka)
Primary Examiner: T. Chase Nelson
Attorney: Eckert Seamans Cherin & Mellott, LLC
Application Number: 29/295,711