Patent
   D644607
Priority
May 29 2009
Filed
May 29 2009
Issued
Sep 06 2011
Expiry
Sep 06 2025
Assg.orig
Entity
unknown
3
10
n/a
The ornamental design for a core for a high-frequency three-phase transformer, as shown and described.

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.

Honna, Tsunehiko

Patent Priority Assignee Title
10186974, Nov 07 2013 Huawei Technologies Co., Ltd. Magnetic integrated device for coupling with a three-phase parallel circuit and power conversion circuit
10855190, Nov 07 2013 Huawei Technologies Co., Ltd. Magnetic integrated device including multiple core columns and windings and power conversion circuit
D907704, Jun 07 2017 MerchSource, LLC Laser tag chest plate
Patent Priority Assignee Title
3579859,
4639705, Mar 06 1984 Transformer with gapless core on support
5202664, Jan 28 1992 Three phase transformer with frame shaped winding assemblies
5455553, Jun 10 1991 Gec-Alsthom Limited Distribution transformers
6880228, Oct 26 1998 ADVANCED TRANSFORMER TECHNOLOGIES LTD Method for manufacturing a three-phase transformer
6885536, Aug 31 2001 The Texas A&M University System Method and apparatus for magnetically generating motion with high precision
D357410, Sep 22 1993 LEGO A S Lid for a container
D454839, Sep 02 1998 Hexaformer AB Three-phase ring transformer core
D464683, Jul 30 2001 Toy building element
JP2000150269,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 29 2009Seiden Mfg. Co., Ltd.(assignment on the face of the patent)
Aug 06 2009HONNA, TSUNEHIKOSEIDEN MFG CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0230810556 pdf
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