US Patent: 25,984
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| Bit-stock with clam-style chuck
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Patentee:
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| Nelson Spofford (exact or similar names) - Haverhill, MA |
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Patent Dates:
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| Granted: |
Nov. 01, 1859 |
| Reissue Information: |
| Reissued as RE8,215 (May 07, 1878) |
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Patent Pictures:
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1 | 2
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Kirk Eppler
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Description: |
| According to the 1873 "Subject-matter index of patents for inventions issued by the United States Patent Office", this patent was granted an extension twice. (April 23, 1867 as RE2,576 & November 1, 1873 as RE8,215).
According to the EAIA "Directory of American Toolmakers", "Fray was reported by his own name only, with the 'Co.', and with '& Co.'. He was also part of Fray & Pigg at some time. Besides making the Spofford patent (1 Nov. 1859, 25,984) brace, Fray had patents himself for a brace attachment (11 May 1869, 89,925) and a bit brace (20 Aug. 1872, 130,709). He made another brace with an 8 Jan 1889 patent (395,889)." |
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