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Patent
D556685
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Priority
Aug 23 2006
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Filed
Aug 23 2006
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Issued
Dec 04 2007
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Expiry
Dec 04 2021
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Assg.orig
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Entity
unknown
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3
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8
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n/a
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The ornamental design for a transformer, as shown and described.
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FIG. 1 is a front perspective view of a transformer showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
Cai, Chongyu
Patent |
Priority |
Assignee |
Title |
3391384, |
|
|
|
D340909, |
Aug 20 1992 |
Supreme Premium Products Inc. |
Transformer |
D350113, |
Aug 26 1993 |
Motorola, Inc |
Battery charger transformer for a portable telephone |
D357457, |
Mar 31 1994 |
Motorola, Inc. |
Housing for a transformer |
D358580, |
Feb 04 1994 |
REVERE INDUSTRIES, INC |
Transformer case |
D433993, |
May 27 1999 |
|
Transformer |
D453540, |
Jan 18 2000 |
Wachovia Bank, National Association |
Toy train transformer controller |
D488126, |
Sep 23 2002 |
Allanson International, Inc. |
Transformer housing |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a