Piezoelectric transformer
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Description
The broken lines shown represent unclaimed subject matter and form no part of the claimed design.
Claims
We claim an ornamental design for the piezoelectric transformer, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D188249 | June 1960 | Bianco et al. |
D202045 | August 1965 | Oberlin |
3479563 | November 1969 | Roy |
4027279 | May 31, 1977 | Shigehara |
4445065 | April 24, 1984 | Albert |
D294565 | March 8, 1988 | Makinson et al. |
D348868 | July 19, 1994 | Terlop et al. |
D430116 | August 29, 2000 | Huang |
6185811 | February 13, 2001 | Perry |
D441726 | May 8, 2001 | Sofue et al. |
D493417 | July 27, 2004 | Moler et al. |
2006-108332 | April 2006 | JP |
Patent History
Patent number: D605114
Type: Grant
Filed: Jun 19, 2008
Date of Patent: Dec 1, 2009
Assignee: Tamura Corporation (Tokyo)
Inventors: Akio Machida (Tokyo), Ryo Nakagawa (Tokyo), Yasuhide Matsuo (Tokyo)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Application Number: 29/320,090
Type: Grant
Filed: Jun 19, 2008
Date of Patent: Dec 1, 2009
Assignee: Tamura Corporation (Tokyo)
Inventors: Akio Machida (Tokyo), Ryo Nakagawa (Tokyo), Yasuhide Matsuo (Tokyo)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Application Number: 29/320,090
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)