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			 The ornamental design for a 3d glasses, as shown and described. 
			  
			  
			  
			  
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| Patent | Priority | Assignee | Title | 
| D640309, | Dec 21 2010 | TOSHIBA VISUAL SOLUTIONS CORPORATION | Glasses for 3-dimensional scenography | 
| D645073, | Jun 23 2010 | LG Electronics Inc. | 3D glasses | 
| D647948, | Sep 01 2010 | Volfoni | 3D glasses | 
| D658706, | Nov 20 2011 | STRYDER EYEWEAR INC | Eyeglasses | 
| D666663, | Oct 20 2008 | X6D LTD | 3D glasses | 
| D681092, | Jun 03 2011 | Sony Computer Entertainment Inc | 3D eyeglasses | 
| D753211, | Jun 17 2013 | Liberty Sport Inc | Sunglasses | 
| Patent | Priority | Assignee | Title | 
| D552155, | Aug 08 2005 | CROSS OPTICAL GROUP, INC | Eyeglass frame with flattened lens opening | 
| D561810, | Dec 22 2005 | Oakley, Inc. | Eyeglass and eyeglass front | 
| D600738, | Nov 04 2008 | Nvidia Corporation | 3-D stereo glasses | 
| D603445, | Mar 13 2009 | X6D Limited | 3D glasses | 
| D613328, | May 13 2009 | X6D LTD | 3D glasses | 
| D616486, | Oct 20 2008 | X6D LTD | 3D glasses | 
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Apr 20 2010 | YUAN, DINGWEN, MR | HI-SHOCK DIGITAL ELECTRONICS TECHNOLOGIES CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 024384 | /0285 | |
| May 14 2010 | Hi-Shock Digital Electronics Technologies Co., Ltd. | (assignment on the face of the patent) | / | |||
| Mar 20 2012 | HI-SHOCK DIGITAL ELECTRONICS TECHNOLOGIES CO , LTD | LI-TEK ELECTRONIC PLASTIC CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027982 | /0970 | 
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