Patent
   D556685
Priority
Aug 23 2006
Filed
Aug 23 2006
Issued
Dec 04 2007
Expiry
Dec 04 2021
Assg.orig
Entity
unknown
3
8
n/a
The ornamental design for a transformer, as shown and described.

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
D654870, Jul 06 2011 Enovize, Inc.; ENOVIZE, INC Portable voltage transformer
D922321, Aug 17 2020 DONGGUAN KINGTRON ELECTRONICS TECHNOLOGY CO , LTD Power plug
D976849, Feb 01 2021 Controller shell
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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 10 2006CAI, CHONGYUTDC POWER PRODUCTS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0181590743 pdf
Aug 23 2006TDC Power Products Co., Ltd.(assignment on the face of the patent)
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