| US Patent: 145,311 
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| Improvement in Plane-Irons Two-piece Cutter with Iron Shank and Cast-Steel Edge.
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| Patentee: |  |
 | Ernest Quast (exact or similar names) - Jerseyville, IL |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 15, 1873 |  
| Granted: | Dec. 09, 1873 |  USPTO (New site tip)
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                        Steve Reynolds
 
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| Description: |  | A plane cutter with an iron shank and a cast-steel cutting edge screwed on to the end. The inventor says this prevents the deterioration of the cast-steel edge that accompanies the laminating process. |  |