Patent
   D883207
Priority
Jul 10 2018
Filed
Jul 10 2018
Issued
May 05 2020
Expiry
May 05 2035
Assg.orig
Entity
unknown
9
22
n/a
The ornamental design for a frequency converter, as shown and described.

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

FIG. 2 is a front, top, left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

The broken lines illustrating the unclaimed portions of the frequency converter form no part of the claimed design. Dot-dash broken lines defining the boundaries of the claimed design form no part of the claimed design.

Sakamoto, Katsunori

Patent Priority Assignee Title
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Jul 08 2018SAKAMOTO, KATSUNORISumitomo Heavy Industries, LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0465190486 pdf
Jul 10 2018Sumitomo Heavy Industries, Ltd.(assignment on the face of the patent)
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