| US Patent: 582,388 
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| Improvements in Grooving and Tonguing Machines | 
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| Patentee: |  |
 | John B. Chase (exact or similar names) - Orange, Franklin County, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Feb. 26, 1896 |  
| Granted: | May 11, 1897 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for Chase Turbine Manufacturing Co.
 
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| Description: |  | Claim:
 This invention has reference to improvements in machines for cutting parallel grooves in box-boards or for cutting away a rectangular section from the edge or edges thereof to leave a tongue.
The object of the invention is to so construct a machine of this nature that the parallel grooves shall always be the determined distance apart without reference to the distance of either groove from the nearest edge. |  |