Core for a high-frequency three-phase transformer
Latest Seiden Mfg. Co., Ltd. Patents:
Description
The broken lines depict environmental subject matter only and form no part of the claimed design.
Claims
The ornamental design for a core for a high-frequency three-phase transformer, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
3579859 | May 1971 | Malenge |
4639705 | January 27, 1987 | Beisser |
5202664 | April 13, 1993 | Poulsen |
D357410 | April 18, 1995 | Rask et al. |
5455553 | October 3, 1995 | Allan et al. |
D454839 | March 26, 2002 | Hoglund |
D464683 | October 22, 2002 | Sorensen |
6880228 | April 19, 2005 | Bolotinsky et al. |
6885536 | April 26, 2005 | Kim |
A-2000-150269 | May 2000 | JP |
Patent History
Patent number: D644607
Type: Grant
Filed: May 29, 2009
Date of Patent: Sep 6, 2011
Assignee: Seiden Mfg. Co., Ltd. (Atsugi)
Inventor: Tsunehiko Honna (Zama)
Primary Examiner: Stella Reid
Assistant Examiner: Derrick Holland
Attorney: Oliff & Berridge, PLC
Application Number: 29/337,793
Type: Grant
Filed: May 29, 2009
Date of Patent: Sep 6, 2011
Assignee: Seiden Mfg. Co., Ltd. (Atsugi)
Inventor: Tsunehiko Honna (Zama)
Primary Examiner: Stella Reid
Assistant Examiner: Derrick Holland
Attorney: Oliff & Berridge, PLC
Application Number: 29/337,793
Classifications
Current U.S. Class:
Element Or Attachment (D13/118)