|
PTO
Wrapper
PDF
|
|
Dossier
Espace
Google
|
|
|
|
Patent
D951187
|
|
Priority
Jan 17 2020
|
|
Filed
Apr 07 2020
|
|
Issued
May 10 2022
|
|
Expiry
May 10 2037
|
|
|
|
Assg.orig
|
|
|
|
Entity
unknown
|
|
0
|
|
9
|
|
n/a
|
|
|
|
The ornamental design for a three-phase frequency converter, as shown and described.
|
FIG. 1 illustrates a front side view of a first embodiment of a three-phase frequency converter.
FIG. 2 illustrates a rear side view of the three-phase frequency converter shown in FIG. 1.
FIG. 3 illustrates a left side view of the three-phase frequency converter shown in FIG. 1.
FIG. 4 illustrates a right side view of the three-phase frequency converter shown in FIG. 1.
FIG. 5 illustrates a top plan view of the three-phase frequency converter shown in FIG. 1.
FIG. 6 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 1.
FIG. 7 illustrates a front side perspective view of the three-phase frequency converter shown in FIG. 1.
FIG. 8 illustrates a bottom side perspective view of the three-phase frequency converter shown in FIG. 1.
FIG. 9 illustrates a front side view of a second embodiment of a three-phase frequency converter.
FIG. 10 illustrates a rear side view of the three-phase frequency converter shown in FIG. 9.
FIG. 11 illustrates a left side view of the three-phase frequency converter shown in FIG. 9.
FIG. 12 illustrates a right side view of the three-phase frequency converter shown in FIG. 9.
FIG. 13 illustrates a top plan view of the three-phase frequency converter shown in FIG. 9.
FIG. 14 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 9.
FIG. 15 illustrates a front side perspective view of the three-phase frequency converter shown in FIG. 9; and,
FIG. 16 illustrates a bottom side perspective view of the three-phase frequency converter shown in FIG. 9.
Liu, Yan, Zhao, Hua, Zhou, QuanHong
| Patent |
Priority |
Assignee |
Title |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a