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			   The ornamental design for a sink, as shown and described herein.     
    
    
    
    
    
    
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FIG. 1 is a front, top perspective view of my new sink design;
FIG. 2 is a plan view thereof;
FIG. 3 is a bottom end view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side elevational view thereof.
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| 9988799, | Oct 13 2006 | Sink with tri-mountable sink rim | |
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| D746419, | Dec 05 2014 | SWAN SURFACES, L L C | Double bowl sink with arced bowl back walls | 
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| Patent | Priority | Assignee | Title | 
| D478970, | May 02 2002 | Blanco GmbH + Co KG | Sink | 
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| D486893, | Dec 03 2002 | Blanco GmbH + Co KG | Sink | 
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Sep 03 2003 | Blanco GmbH + Co KG | (assignment on the face of the patent) | / | |||
| Sep 26 2003 | ZIEMANN, BRIGITTE | Blanco GmbH + Co KG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014780 | /0655 | 
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