Patent
   D708135
Priority
Apr 08 2011
Filed
May 30 2013
Issued
Jul 01 2014
Expiry
Jul 01 2028
Assg.orig
Entity
unknown
4
13
n/a
The ornamental design for a frequency converter, as shown and described.

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

FIG. 2 is a front view thereof,

FIG. 3 is a rear view thereof,

FIG. 4 is a left side view thereof,

FIG. 5 is a right side view thereof,

FIG. 6 is a top view thereof,

FIG. 7 is a bottom view thereof,

FIG. 8 is a second perspective view thereof,

FIG. 9 is a third perspective view thereof; and,

FIG. 10 is a fourth perspective view thereof.

The broken line showing of the frequency converter represents unclaimed subject matter and forms no part of the claimed design.

Silvennoinen, Mika, Hakala, Jani

Patent Priority Assignee Title
D733653, Aug 27 2013 ABB Schweiz AG Equipment for distribution of electric power
D804417, Jan 14 2016 SEW-EURODRIVE GMBH & CO KG Frequency converter
D813160, Jan 14 2016 SEW-EURODRIVE GMBH & CO KG Frequency converter
D819565, Jan 14 2016 SEW-EURODRIVE GMBH & CO KG Frequency converter
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 23 2011HAKALA, JANIABB OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0328380187 pdf
Aug 25 2011SILVENNOINEN, MIKAABB OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0328380187 pdf
May 30 2013ABB Oy(assignment on the face of the patent)
Apr 17 2018ABB OyABB Schweiz AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0478010174 pdf
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