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						 Patent  
						   D946337  
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						 Priority  
						Mar 26 2019 
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						 Filed 
						Sep 23 2019  
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						 Issued 
						Mar 22 2022 
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						 Expiry 
						Mar 22 2037 
					   
					   						
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			  The ornamental design for an office chair part, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a front elevation view of the office chair part showing my new invention;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front perspective view thereof; and,
FIG. 8 is a rear perspective plan view thereof. 
The broken lines show environmental structure and form no part of the claimed design. 
	
	Bock, Hermann
	
	
	  
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