Hoisting jack
Description
FIG. 1 is a perspective view of a hoisting jack, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear 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;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a side plan view in partial cross section along line 8—8 in FIG. 6 thereof.
Claims
The ornamental design for a hoisting jack, as shown and described.
Referenced Cited
U.S. Patent Documents
4018421 | April 19, 1977 | Tallman |
4131263 | December 26, 1978 | John |
D284417 | June 24, 1986 | Yamagishi |
D295799 | May 17, 1988 | Hung |
4850568 | July 25, 1989 | Hung |
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D364026 | November 7, 1995 | Hung |
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D421516 | March 7, 2000 | Hung |
D444606 | July 3, 2001 | Hsu |
D452597 | December 25, 2001 | Hung |
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D454419 | March 12, 2002 | Lee et al. |
6357724 | March 19, 2002 | Hung |
6505816 | January 14, 2003 | Hung |
Patent History
Patent number: D480196
Type: Grant
Filed: Sep 13, 2002
Date of Patent: Sep 30, 2003
Inventor: Kun-Shan Hsu (Pei Hu Li, Chiayi City)
Primary Examiner: Cynthia E. Ramirez
Attorney, Agent or Law Firm: Rosenberg, Klein & Lee
Application Number: 29/167,322
Type: Grant
Filed: Sep 13, 2002
Date of Patent: Sep 30, 2003
Inventor: Kun-Shan Hsu (Pei Hu Li, Chiayi City)
Primary Examiner: Cynthia E. Ramirez
Attorney, Agent or Law Firm: Rosenberg, Klein & Lee
Application Number: 29/167,322
Classifications