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Patent
D644607
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Priority
May 29 2009
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Filed
May 29 2009
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Issued
Sep 06 2011
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Expiry
Sep 06 2025
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Assg.orig
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Entity
unknown
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3
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10
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n/a
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The ornamental design for a core for a high-frequency three-phase transformer, as shown and described.
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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 |
3579859, |
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|
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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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a