US Patent: RE4,516
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Improvement in Machines for Manufacturing Auger-Bits
Machine for Upsetting Cook's Bits
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| USPTO Classifications: |
| 76/2 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Aug. 15, 1871 |
| Reissue Information: |
| Reissue of 78,769 (Jun. 09, 1868) |
| Reissued as RE5,624 (Oct. 21, 1873) |
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Patent Pictures:
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Jeff Joslin (dm)
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Description: |
| Description seems to be identical with the original patent. |
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