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					| Patent    D513714 |  
					| Priority May 19 2004 |  
					| Filed May 19 2004 |  
					| Issued Jan 24 2006 |  
					| Expiry Jan 24 2020 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 37 |  
					 | 12 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for a gemstone, as shown and described. | 
 
	
FIG. 1 is a top plan view of a gemstone according to my new design;
FIG. 2 is a front elevational view thereof, the rear view being a mirror image;
FIG. 3 is a right side elevational view, the left side being a mirror image; and,
FIG. 4 is a bottom plan view thereof.
	
	Sanghvi, Samir
	
	
	  
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	 | D533104, | Dec 21 2005 | Nelson Jewellery Arts Company Ltd. | Jewelry setting | 
    
	 | D544809, | Dec 05 2006 |  | Gemstone arrangement | 
    
	 | D547690, | Jan 31 2006 | Leading Jewelers Guild, Inc. | Jewel | 
    
	 | D588041, | Feb 25 2008 | Swarovski Aktiengesellschaft | Object made of glass | 
    
	 | D588042, | Feb 25 2008 | Swarovski Aktiengesellschaft | Object made of glass | 
    
	 | D588493, | Oct 12 2007 | Swarovski Aktiengesellschaft | Gemstone | 
    
	 | D592990, | Oct 12 2007 | Swarovski Aktiengesellschaft | Gemstone | 
    
	 | D593442, | Oct 12 2007 | Swarovski Aktiengesellschaft | Gemstone | 
    
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	 | D843879, | Jul 12 2017 | World Trend Enterprises Limited; HESS, JUDITH | Diamond | 
    
	 | D893342, | May 28 2018 | WORLDWIDE DIAMOND TRADEMARKS, LTD | Diamond | 
    
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	 | D969017, | Jun 28 2021 | Koninklijke Asscher Diamant Maatschappij B.V. | Rose marquise diamond article | 
    
	 | D976746, | Apr 20 2021 | LUMEX DMCC | Gemstone | 
    
	 | ER1409, |  |  |  | 
    
	 | ER7582, |  |  |  | 
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 3394692, |  |  |  | 
    
	 | 5533364, | Dec 08 1993 | Am-Gold | Facing marquis halves to form a marquis stone | 
    
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