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			 The ornamental design for a window lock, as shown and described. 
			  
			  
			  
			  
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The broken lines depict portions of the window lock in which the design is embodied that form no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Jul 09 2022 | Shenzhen Kuaikelai Technology Co., Ltd. | (assignment on the face of the patent) | / | 
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