Core for a high-frequency three-phase transformer

- Seiden Mfg. Co., Ltd.
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Description

FIG. 1 is a perspective view of a core for a high-frequency three-phase transformer;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof, the opposite side view being a mirror image;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a cross-sectional view thereof taken along the line 5-5 of FIG. 4.

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
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
Foreign Patent Documents
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
Classifications
Current U.S. Class: Element Or Attachment (D13/118)