Frequency converter

- Vacon Oyj
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Description

FIG. 1 is a top perspective view of a frequency converter showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

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
D296895 July 26, 1988 Nakayama
D358753 May 30, 1995 Yoshida et al.
D365082 December 12, 1995 Cook et al.
D409139 May 4, 1999 Cornell et al.
6650559 November 18, 2003 Okamoto et al.
D495296 August 31, 2004 Hussaini et al.
D505915 June 7, 2005 Hussaini et al.
D541743 May 1, 2007 Virolainen
D541745 May 1, 2007 Virolainen
D548183 August 7, 2007 Hakala et al.
D606017 December 15, 2009 Charlson et al.
Patent History
Patent number: D713336
Type: Grant
Filed: Dec 30, 2012
Date of Patent: Sep 16, 2014
Assignee: Vacon Oyj (Vaasa)
Inventor: Andrea Perin (Cavriago)
Primary Examiner: Derrick Holland
Application Number: 29/441,017
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)