Hydraulic lifting jack

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Description

FIG. 1 is a front view of a hydraulic lifting jack showing our 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 an enlarged left side view thereof;

FIG. 6 is an enlarged right side view thereof;

FIG. 7 is a front perspective view thereof; and

FIG. 8 is a rear perspective view in an alternate position.

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

Claims

The ornamental design for a HYDRAULIC LIFTING JACK as shown and described.

Referenced Cited
U.S. Patent Documents
D444606 July 3, 2001 Hsu
D485412 January 13, 2004 Hung
D537225 February 20, 2007 Hernandez
7334774 February 26, 2008 Lin
D855922 August 6, 2019 Fox et al.
D907879 January 12, 2021 Youngblutt
D946232 March 15, 2022 Wu et al.
D946233 March 15, 2022 Zheng et al.
D952284 May 17, 2022 Andersen et al.
20080083913 April 10, 2008 Fang et al.
20080099739 May 1, 2008 Arzouman
20080099747 May 1, 2008 Arzouman
20200385251 December 10, 2020 Andersen et al.
Patent History
Patent number: D991616
Type: Grant
Filed: Jul 16, 2020
Date of Patent: Jul 4, 2023
Assignee: HANGZHOU YINGJIANG MACHINERY MANUFACTURING CO., LTD. (Hangzhou)
Inventors: Xinqiang Zheng (Hangzhou), Zhengyang Liu (Hangzhou)
Primary Examiner: Cynthia Ramirez
Application Number: 29/741,859
Classifications
Current U.S. Class: Jack Or Jackstand (D34/31)