Frequency converter

- Vacon Oy
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Description

FIG. 1 is an isometric front perspective view of a frequency converter;

FIG. 2 is a front view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

Claims

The ornamental design for a frequency converter, as shown and described.

Referenced Cited
U.S. Patent Documents
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D410624 June 8, 1999 Loh
D429213 August 8, 2000 Colver et al.
D436075 January 9, 2001 Chou
6169661 January 2, 2001 Lee
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D502916 March 15, 2005 Higuchi et al.
D550617 September 11, 2007 Wang
D573090 July 15, 2008 Savolainen et al.
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D630580 January 11, 2011 Pape et al.
D660798 May 29, 2012 Tseng
D732471 June 23, 2015 Rucareanu
20080174948 July 24, 2008 Davis
Other references
  • Non-Final Office Action issued by the United States Patent and Trademark Office for corresponding U.S. Appl. No. 29/217,776 electronically delivered on Aug. 25, 2016.
Patent History
Patent number: D783529
Type: Grant
Filed: Aug 16, 2016
Date of Patent: Apr 11, 2017
Assignee: Vacon Oy (Vaasa)
Inventors: Marc Hoffman (Clayton, NC), Dan Lewis (Raleigh, NC)
Primary Examiner: Derrick Holland
Application Number: 29/574,543
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)