Frequency converter

- Vacon Oyj
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

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

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

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

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for a frequency converter, as shown.

Referenced Cited
U.S. Patent Documents
D358753 May 30, 1995 Yoshida et al.
D365082 December 12, 1995 Cook, II et al.
D403301 December 29, 1998 Lehmann et al.
D409139 May 4, 1999 Cornell et al.
D410624 June 8, 1999 Loh
D449817 October 30, 2001 Takeuchi et al.
6407931 June 18, 2002 Yonce et al.
6650559 November 18, 2003 Okamoto et al.
Patent History
Patent number: D586744
Type: Grant
Filed: Apr 28, 2008
Date of Patent: Feb 17, 2009
Assignee: Vacon Oyj (Vaasa)
Inventor: Jukka Timo Johannes Jaskari (Vaasa)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Speckman Law Group PLLC
Application Number: 29/317,361
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)