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					| Patent    D975755 |  
					| Priority Jun 03 2021 |  
					| Filed Jun 03 2021 |  
					| Issued Jan 17 2023 |  
					| Expiry Jan 17 2038 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 4 |  
					 | 30 |  
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			  The ornamental design for a 3d printer, as shown and described. | 
 
	
FIG. 1 is a top, front and right side perspective view of a 3D printer showing our new design;
FIG. 2 is a bottom, rear and left side 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 view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is an enlarged view of portion 9 in FIG. 1.
The broken lines in the drawings illustrate portions of the 3D printer which form no part of the claimed design.
The oblique shade lines in the drawings represent a reflective surface.
	
	Li, Chao, Li, Zhihong, Zheng, Aiguo, Chen, Wenjuan
	
	
	
	
	  
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