| US Patent: 167,791 
 | 
| Improvement in Siding-Gages | 
| 
| Patentee: |  |
 | Charles Sargent (exact or similar names) - Sparland, IL |  
 
| USPTO Classifications: |  | 33/33 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
 | 
| Patent Dates: |  
| Applied: | Jan. 21, 1875 |  
| Granted: | Sep. 14, 1875 |  USPTO (New site tip)
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                        Ralph Brendler
 
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| Description: |  | This clapboard marker is very similar to the Nester patent (72,885 - 12/31/1867)
    but provides a spring-loaded retractable knife blade to  mark. |  |