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					| Patent    D577275 |  
					| Priority Jul 19 2007 |  
					| Filed Jul 19 2007 |  
					| Issued Sep 23 2008 |  
					| Expiry Sep 23 2022 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 1 |  
					 | 25 |  
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						  n/a |  
						 
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			  The ornamental design for an letter opener, as shown and described. | 
 
	
FIG. 1 is a top, front and right side perspective view of an envelope opener;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a top, front and right side perspective view of a second embodiment of an envelope opener containing a staple remover;
FIG. 9 is a front elevational view thereof;
FIG. 10 is a rear elevational view thereof;
FIG. 11 is a left side elevational view thereof;
FIG. 12 is a right side elevational view thereof;
FIG. 13 is a top view thereof; and,
FIG. 14 is a bottom view thereof.
	
	Goessling, Jr., John G., Visconti, Frank J.
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 12091276, | Mar 10 2023 |  | Wrapper cutter | 
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
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	 | D409071, | Apr 28 1998 |  | Envelope opener | 
    
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	 | D438440, | Apr 07 1999 | ERKIE, INC | Staple remover and letter opener | 
    
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