Patent
   D261640
Priority
Dec 08 1978
Filed
Jun 06 1979
Issued
Nov 03 1981
Expiry
Nov 03 1995
Assg.orig
Entity
unknown
10
6
n/a
The ornamental design for the coupling transformer, as shown.

FIG. 1 is a front elevational view of the coupling transformer according to the invention;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a left side elevational view of FIG. 1;

FIG. 4 is a right side elevational view of FIG. 1;

FIG. 5 is a bottom plan view of FIG. 1; and

FIG. 6 is a rear elevational view of FIG. 1.

Alber, Friedrich, Dedelmahr, Rudolf, Bendel, Wolfgang, Seeliger, Klaus, Altmann, Gerhard, Eyrich, Hermann, Link, Rudolf

Patent Priority Assignee Title
D325030, Aug 28 1989 Juke box telephone
D340907, Jun 14 1991 ASTEC INTERNATIONAL, LTD A CORP OF HONG KONG Power converter module
D348868, Apr 26 1993 Top Gulf Coast Corporation Electrical transformer
D349483, Jan 11 1991 CREDITANSTALT BANKVEREIN Battery pack for use with a medical instrument
D597942, Oct 08 2008 Kabushiki Kaisha Audio-Technica Step-up transformer
D622214, Nov 12 2003 ABB Schweiz AG Electrical transformer
D635091, Nov 12 2003 ABB Schweiz AG Electrical transformer
D656460, Nov 12 2003 ABB Schweiz AG Electrical transformer
D666146, Nov 12 2003 ABB Schweiz AG Electrical transformer
D674341, Nov 12 2003 ABB Schweiz AG Electrical transformer
Patent Priority Assignee Title
3335380,
3451503,
3599134,
4030058, Mar 30 1976 Westinghouse Electric Corporation Inductive coupler
4085395, Feb 03 1977 Comsat Corporation High voltage transformer package
123931,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 09 1979ALBER FRIEDRICHTRANSFORMATOREN UNION AKTIENGESELLSCHAFT, A GERMAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0038520420 pdf
May 09 1979LINK RUDOLFTRANSFORMATOREN UNION AKTIENGESELLSCHAFT, A GERMAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0038520420 pdf
Jun 06 1979Transormatoren Union Aktiengesellschaft(assignment on the face of the patent)
Jun 09 1979BENDEL WOLFGANGTRANSFORMATOREN UNION AKTIENGESELLSCHAFT, A GERMAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0038520420 pdf
Aug 28 1979ALTMANN GERHARDTRANSFORMATOREN UNION AKTIENGESELLSCHAFT, A GERMAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0038520420 pdf
Aug 28 1979DEDELMAHR RUDOLFTRANSFORMATOREN UNION AKTIENGESELLSCHAFT, A GERMAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0038520420 pdf
Aug 28 1979EYRICH HERMANNTRANSFORMATOREN UNION AKTIENGESELLSCHAFT, A GERMAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0038520420 pdf
Aug 28 1979SEELIGER, KLAUSTRANSFORMATOREN UNION AKTIENGESELLSCHAFT, A GERMAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0038520420 pdf
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