| US Patent: 266,556 
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| Try Square | 
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| Patentee: |  |
 | Justus A. Traut (exact or similar names) - New Britain, CT |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | May 03, 1880 |  
| Granted: | Oct. 24, 1882 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Ralph Brendler
 
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| Description: |  | This is a machinist-style sliding square designed by famous Stanley patent man Justus Traut. 
Although this is one of the few Traut patents not explicitly assigned to Stanley, an example is reported with "STANLEY RULE & LEVEL CO / PAT. OCT. 24. 82" stamped on the blade. |  |