US Patent: 12,551
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Ship Auger
Auger Bit With Detachable Cutting Lip
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Patentee:
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| Isaac W. Hoagland (exact or similar names) - Jersey City, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Mar. 20, 1855 |
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Patent Pictures:
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Jeff Joslin (dm)
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Description: |
| Claim centers on the detachable cutting lip held in position by a pin in the body of the bit, a dovetailed recess and a screw.
A _Scientific American_ article (Vol. 10, Issue 37, May 26, 1855) about this patent claims a partial assignment to John W. Hawkes, Washington Market, NYC. It also describes this auger bit as potentially being of greatest value to ship's carpenters boring holes for trenails. |
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