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					| Patent    D959228 |  
					| Priority Jan 06 2021 |  
					| Filed Jan 06 2021 |  
					| Issued Aug 02 2022 |  
					| Expiry Aug 02 2037 |  
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					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 0 |  
					 | 20 |  
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			  The ornamental design for a multifunction knife sharpener, as shown and described. | 
 
	
FIG. 1 is a top, rear, left side perspective view of a multifunction knife sharpener showing my new design;
FIG. 2 is a bottom, front, right side perspective view thereof;
FIG. 3 is an enlarged front elevation view thereof;
FIG. 4 is an enlarged rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines in the drawings illustrate portions of the multifunction knife sharpener that form no part of the claimed design.
	
	Chen, ZhongBo
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	  
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 8221199, | Jan 11 2007 | Smith Abrasives, Inc | Abrasive sharpener | 
    
	 | 20080171504, |  |  |  | 
    
	 | 20140127984, |  |  |  | 
    
	 | 20150283678, |  |  |  | 
    
	 | D375442, | Feb 21 1995 | Hughes Products Co., Inc. | Arrowhead sharpener and wrench combination | 
    
	 | D578581, | Jul 30 2007 | SMITH S CONSUMER PRODUCTS, INC | Pocket abrasive sharpener | 
    
	 | D723898, | Nov 07 2012 | SMITH S CONSUMER PRODUCTS, INC | Abrasive sharpener | 
    
	 | D731278, | Nov 16 2013 |  | Multi-functional sharpener for tools and blades | 
    
	 | D744803, | May 05 2014 | EZE-LAP DIAMOND PRODUCTS, INC | Multi-function tool | 
    
	 | D744804, | May 05 2014 | EZE-LAP DIAMOND PRODUCTS, INC | Multi-function tool | 
    
	 | D746656, | Sep 16 2014 | SMITH S CONSUMER PRODUCTS, INC | Abrasive sharpener with a fire starter | 
    
	 | D754514, | Sep 02 2015 | Edgecraft Corporation | Compact manual sharpener | 
    
	 | D772674, | Dec 07 2015 |  | Broadhead sharpening tool | 
    
	 | D816455, | Jul 22 2016 | BLUE RIDGE KNIVES, INC | Sharpener | 
    
	 | D860752, | Apr 10 2018 | OUTDOOR EDGE CUTLERY, LLC | Knife sharpener | 
    
	 | D863921, | Feb 12 2018 | Smith's Consumer Products, Inc. | Sharpener with deployable abrasive rod | 
    
	 | D863922, | Apr 09 2018 | Smith's Consumer Products, Inc. | Sharpener with deployable abrasive rod | 
    
	 | D863923, | Apr 09 2018 | Smith's Consumer Products, Inc. | Sharpener with deployable abrasive rod | 
    
	 | D888527, | May 01 2019 |  | Knife sharpener | 
    
	 | D929843, | Mar 31 2020 | Darex, LLC | Knife sharpener | 
	
	
	
	  
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