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Patent
D547267
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Priority
Nov 12 2003
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Filed
Dec 19 2006
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Issued
Jul 24 2007
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Expiry
Jul 24 2021
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Assg.orig
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Entity
unknown
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5
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14
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n/a
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The ornamental design for an electrical transformer, as shown and described.
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FIG. 1 is a front view of an electrical transformer;
FIG. 2 is a side view of said electrical transformer;
FIG. 3 is a top view of said electrical transformer; and,
FIG. 4 is a perspective view of said electrical transformer.
Thorsteinsson, Sigurdur, Stryken, Egil, Tinggren, Richard
Patent |
Priority |
Assignee |
Title |
2947957, |
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3479563, |
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3781741, |
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4027279, |
Jul 21 1975 |
|
Device for attaching leads to a transformer or the like |
4257027, |
Nov 27 1978 |
Shimoda Electric Company |
Transformer bobbin assembly |
6185811, |
Sep 06 1996 |
Hammond Manufacturing Company |
Method for making a transformer |
188248, |
|
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|
188249, |
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202045, |
|
|
|
D257342, |
Dec 11 1978 |
|
Electrical transformer |
D259040, |
Apr 27 1978 |
General Electric Company |
Vaporization cooled transformer or similar article |
D290456, |
Dec 27 1983 |
Marelco Power Systems, Inc. |
Transformer |
D294565, |
Mar 30 1984 |
SCHLUMBERGER RESOURCE MANAGEMENT SERVICES, INC |
Voltage transformer |
D324371, |
Jul 11 1988 |
Societe pour l'Application de l'Optique et de l'Electronique a la |
Electric transformer |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a