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					| Patent    D986969 |  
					| Priority Apr 27 2022 |  
					| Filed Apr 27 2022 |  
					| Issued May 23 2023 |  
					| Expiry May 23 2038 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 0 |  
					 | 20 |  
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			  The ornamental design for a writing board, as shown and described. | 
 
	
FIG. 1 is a perspective view of a writing board showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is an exploded perspective view of the writing board.
The dash-dash broken lines in the drawings depict portions of the writing board that form no part of the claimed design.
	
	Jia, Ru
	
	
	  
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	 | D362662, | Jan 18 1994 | HEWLETT-PACKARD DEVELOPMENT COMPANY, L P | Write-on-image tablet | 
    
	 | D395639, | May 23 1997 | A T X  INTERNATIONAL, INC | Computer tablet | 
    
	 | D490420, | May 31 2002 | Hewlett-Packard Development Company, L.P. | Tablet personal computer | 
    
	 | D681632, | Aug 11 2012 | Apple Inc | Electronic device | 
    
	 | D785706, | Jul 30 2014 | UBRANDS, LLC | Board | 
    
	 | D867452, | May 24 2017 | Kent Displays Incorporated | Writing board | 
    
	 | D935525, | Sep 08 2020 |  | Writing board | 
    
	 | D970499, | Jan 07 2021 | SHEN ZHEN AIMSON INDUSTRY DEVELOPMENT CO., LTD | Writing pad | 
    
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