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						 Patent  
						   D722701  
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						 Priority  
						Dec 23 2013 
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						 Filed 
						Dec 23 2013  
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						 Issued 
						Feb 17 2015 
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						 Expiry 
						Feb 17 2029 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    10 
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					    13 
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						  n/a 
					   
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			  The ornamental design for a spa shell, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a perspective view of a spa shell showing our design;
FIG. 2 is a perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 3;
FIG. 5 is a cross-sectional view taken along line 5-5 of FIG. 3;
FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. 3;
FIG. 7 is a cross-sectional view taken along line 7-7 of FIG. 3;
FIG. 8 is a cross-sectional view taken along line 8-8 of FIG. 3; and,
FIG. 9 is a cross-sectional view taken along line 9-9 of FIG. 3.
The broken lines in the drawings represent unclaimed portions of the spa shell and form no part thereof.
	
	Larsen, Christopher Carl, Baker, Sage Nathan
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D755402,  | 
	 Jan 14 2015 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D755403,  | 
	 Jan 14 2015 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D921907,  | 
	 Dec 10 2019 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D921908,  | 
	 Dec 10 2019 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D921910,  | 
	 Jan 22 2020 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | ER1218,  | 
	  | 
	  | 
	  | 
	 
    
	 | ER2156,  | 
	  | 
	  | 
	  | 
	 
    
	 | ER491,  | 
	  | 
	  | 
	  | 
	 
    
	 | ER5671,  | 
	  | 
	  | 
	  | 
	 
    
	 | ER8538,  | 
	  | 
	  | 
	  | 
	 
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D542925,  | 
	 Sep 26 2006 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D620600,  | 
	 Mar 08 2010 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D621947,  | 
	 Mar 08 2010 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D624657,  | 
	 Mar 08 2010 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D634019,  | 
	 Jan 21 2010 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D634021,  | 
	 Mar 08 2010 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D649256,  | 
	 Jan 07 2011 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D657881,  | 
	 Sep 13 2011 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D657882,  | 
	 Sep 13 2011 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D657883,  | 
	 Sep 13 2011 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D680656,  | 
	 May 19 2010 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D683038,  | 
	 Dec 14 2012 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
    
	 | D683039,  | 
	 Dec 14 2012 | 
	 Watkins Manufacturing Corporation | 
	 Spa shell | 
	 
	
	
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Fee Events | 
	  
	  n/a
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Schedule | 
	  
	  n/a