Bobbin for transformer
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The broken lines depict environmental subject matter only and form no part of the claimed design.
The dot-chain lines illustrate a border of the claimed subject matter and form no part of the claimed design.
Claims
The ornamental design for a bobbin for transformer, as shown and described.
4047061 | September 6, 1977 | Kilmer et al. |
4745388 | May 17, 1988 | Billings et al. |
4890085 | December 26, 1989 | Saito et al. |
D313605 | January 8, 1991 | Saito et al. |
D334913 | April 20, 1993 | Sato et al. |
6181230 | January 30, 2001 | Broome et al. |
D455715 | April 16, 2002 | Sakai et al. |
D560164 | January 22, 2008 | Iwakura |
S-D1271256 | May 2006 | JP |
S-D1382844 | March 2010 | JP |
Type: Grant
Filed: Aug 4, 2010
Date of Patent: Sep 6, 2011
Assignee: TDK Corporation (Tokyo)
Inventors: Katsumi Kobayashi (Tokyo), Masaaki Iwakura (Tokyo)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Oliff & Berridge, PLC
Application Number: 29/367,182