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Patent
D638793
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Priority
Mar 08 2010
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Filed
Mar 08 2010
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Issued
May 31 2011
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Expiry
May 31 2025
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Assg.orig
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Entity
unknown
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7
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8
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n/a
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The ornamental design for a frequency converter, as shown and described.
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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 elevation view thereof;
FIG. 5 is a left 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.
Perin, Andrea
Patent |
Priority |
Assignee |
Title |
6650559, |
Oct 31 2000 |
FUJI ELECTRIC CO , LTD |
Power converting device |
D296895, |
Aug 26 1985 |
Masprodenkoh Kabushikikaisha |
Frequency converter for an antenna |
D358753, |
Jul 21 1994 |
Hitachi, Ltd. |
Frequency inverter |
D365082, |
Sep 15 1993 |
Progressive Dynamics, Inc. |
Electrical power converter |
D409139, |
Oct 15 1998 |
Progressive Dynamics, Inc. |
Converter/charger |
D541743, |
Mar 29 2005 |
ABB Schweiz AG |
Cabinet for a frequency converter |
D541745, |
Aug 12 2005 |
ABB Schweiz AG |
Cabinet for a frequency converter |
D548183, |
Jul 05 2006 |
ABB Schweiz AG |
Cabinet for a frequency converter |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a