Frequency converter
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Description
The broken lines shown represent unclaimed subject matter and form no part of the claimed design.
Claims
The ornamental design for a frequency converter, as shown and described.
Referenced Cited
U.S. Patent Documents
D365082 | December 12, 1995 | Cook et al. |
D376785 | December 24, 1996 | Ikeda et al. |
D403301 | December 29, 1998 | Lehmann et al. |
D409139 | May 4, 1999 | Cornell et al. |
D410624 | June 8, 1999 | Loh |
D438176 | February 27, 2001 | Cornu |
D449817 | October 30, 2001 | Takeuchi et al. |
D455399 | April 9, 2002 | Imamura et al. |
D455714 | April 16, 2002 | Kim |
6407931 | June 18, 2002 | Yonce et al. |
6650559 | November 18, 2003 | Okamoto et al. |
20050126811 | June 16, 2005 | Hirota et al. |
Patent History
Patent number: D595225
Type: Grant
Filed: Jan 4, 2008
Date of Patent: Jun 30, 2009
Assignee: Vacon Oyj (Vaasa)
Inventor: Jari Jussi Ilmari Juva (Turku)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Speckman Law Group PLLC.
Application Number: 29/299,855
Type: Grant
Filed: Jan 4, 2008
Date of Patent: Jun 30, 2009
Assignee: Vacon Oyj (Vaasa)
Inventor: Jari Jussi Ilmari Juva (Turku)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Speckman Law Group PLLC.
Application Number: 29/299,855
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)