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			 The ornamental design for a jack, as shown and described. 
			  
			  
			  
			  
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FIG. 1 is a front elevation view of a jack, showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a rear, bottom and left side perspective view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a left side elevation view thereof; and,
FIG. 8 is a front, top and right side perspective view thereof.
| Patent | Priority | Assignee | Title | 
| D664924, | Oct 13 2010 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector | 
| D672716, | Sep 12 2011 | Hosiden Corporation | Electrical connector | 
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| May 19 2005 | SATO, YOSHITAKA | SMK Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016596 | /0416 | |
| May 20 2005 | SMK Corporation | (assignment on the face of the patent) | / | 
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