|
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, |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |