Title:
Jack
United States Patent D531377


Inventors:
Liu, Guang Bin (Tai-Shan, CN)
Application Number:
29/218285
Publication Date:
10/31/2006
Filing Date:
12/01/2004
Assignee:
Shinn Fu Corporation (Tao Yuan County, TW)
Primary Class:
International Classes:
(IPC1-7): 1205
Field of Search:
254/89H, 254/93R, D34/31, 254/94, 254/DIG.3, 254/2B, 254/8B, 254/45
View Patent Images:
US Patent References:
20050092973Quick rise hydraulic lifting jackMay, 2005Tatsumi254/8B
6899319Jacks having a detachable rear-end handleMay, 2005Hung254/8B
20050023510Slippage- preventing device for tubular jackFebruary, 2005Liu254/8B
6848673Jack assembly with lifting handleFebruary, 2005McLaughlin et al.254/8B
20040065871JOINT BETWEEN A FIRST CYLINDER AND A SECOND CYLINDER OF A HYDRAULIC JACK TO ALLOW THE SECOND CYLINDER TO DRIVE THE ARM DIRECTLYApril, 2004Hsu254/8B
D488906Jack apparatus for quick raisingApril, 2004TatsumiD34/31
D485039Floor jackJanuary, 2004Hussaini et al.D34/31
D485412JackJanuary, 2004HungD34/31
D480196Hoisting jackSeptember, 2003HsuD34/31
20030136951Hydraulic lifting device with a rapid mechanical lift to chassis of vehicleJuly, 2003Hung254/8B
6505816Jack with rotary handle sleeveJanuary, 2003Hung254/8B
6357724Automatic lifting device with illumination abilityMarch, 2002Hung254/8B
D444606JackJuly, 2001HsuD34/31
D423750JackApril, 2000HungD34/31



Primary Examiner:
Ramirez, Cynthia E.
Attorney, Agent or Firm:
Bacon & Thomas
Claims:
CLAIM

1. The ornamental design for a jack, as shown and described.

Description:

FIG. 1 is a left side perspective view of a jack showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.