US Patent: 254,184
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Auger-Bit
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 18, 1881 |
Granted: |
Feb. 28, 1882 |
USPTO (New site tip) Google Patents
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Jeff Joslin (dm)
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Description: |
Patent has to do with a steel tip which is "welded" to the body of the auger by the latter being cast around it. See patent number 329660 for some commentary on this approach. |
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