US Patent: 278,539
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Auger
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 30, 1882 |
Granted: |
May 29, 1883 |
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Jeff Joslin (dm)
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Description: |
The idea of this patent is to combine a spur with a gouge shape cutting lip. The purpose is to combine the ease of cutting of the gouge lip bit with the smooth cutting characteristics of bits with spurs. |
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