Patent
   D946233
Priority
Apr 10 2020
Filed
Apr 10 2020
Issued
Mar 15 2022
Expiry
Mar 15 2037
Assg.orig
Entity
unknown
2
15
n/a
The ornamental design for a hydraulic lifting jack, as shown and described.

FIG. 1 is a front view of a hydraulic lifting jack showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top front right perspective view thereof;

FIG. 8 is a top front left perspective view thereof;

FIG. 9 is a top front right perspective view showing the hydraulic lifting jack in an alternate position; and,

FIG. 10 is a top front left perspective view thereof.

The grey values applied to the drawings are to show contrast in appearance.

Liu, Zhengyang, Zheng, Xinqiang

Patent Priority Assignee Title
ER2257,
ER7994,
Patent Priority Assignee Title
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D828972, Jul 21 2016 HANGZHOU YINGJIANG MACHINERY MANUFACTURING CO., LTD.; HANGZHOU YINGJIANG MACHINERY MANUFACTURING CO , LTD Hydraulic lifting jack
D906622, May 22 2018 KAI HSIANG TRAFFIC APPLIANCES CO LTD Low clearance floor jack
D907879, Jun 11 2018 VIS, LLC Service jack
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Apr 01 2020ZHENG, XINQIANGHANGZHOU YINGJIANG MACHINERY MANUFACTURING CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0524170066 pdf
Apr 01 2020LIU, ZHENGYANGHANGZHOU YINGJIANG MACHINERY MANUFACTURING CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0524170066 pdf
Apr 10 2020HANGZHOU YINGJIANG MACHINERY MANUFACTURING CO., LTD.(assignment on the face of the patent)
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