Lifting jack

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

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

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

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

FIG. 7 is a perspective view thereof.

Claims

The ornamental design for a lifting jack, as shown.

Referenced Cited
U.S. Patent Documents
3807694 April 1974 Butorac
D285854 September 23, 1986 Persson
D358923 May 30, 1995 Hawkins
D423750 April 25, 2000 Hung
6086047 July 11, 2000 Lee
6357724 March 19, 2002 Hung
D561422 February 5, 2008 Kuen et al.
D628760 December 7, 2010 Fox et al.
20050035337 February 17, 2005 Hung
20050092973 May 5, 2005 Tatsumi
20080083913 April 10, 2008 Fang et al.
Patent History
Patent number: D646453
Type: Grant
Filed: Dec 14, 2010
Date of Patent: Oct 4, 2011
Inventor: Haoliang Zhou (Zhejiang)
Primary Examiner: Cynthia Ramirez
Application Number: 29/380,943
Classifications
Current U.S. Class: Jack Or Jackstand (D34/31)